Write l for law of enrtia,ll for law of Acceleration and lll for law of enteraction.

___1)Empty grocery cart runs faster than the loaded one.
___2)Using Seatbelt to hold your body from leaning forward when a car you are riding suddenly stops.
___3)While rowing a boat,paddling will cause the bat to moved forward.
___4) A biker slightly presses the brake as his bike travels down on a slope.
___5)lt is easier for you to move a box with relief goods when helped by friends than moving it all by yourself.
___6) A toy truck with loads runs slower compared to a toy truck with empty loads when you pushed them at the same time.
___7) A kid catches a flying boomerang and stopping its motion.
___8)Your hand hurts when you punch someone hard.
___9)Rocket propulsion or when rocket lifts off from a shuttle System.
___10)A cart at rest start moving once someone pushes it forward.

this is for SCIENCE SUBJECT​

PLEASE ANSWER IT PROPERLY BECAUSE I NEED IT UNTIL TOMMOROW MORNING...

Answers

Answer 1

[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]

Statement 1 : ll

Empty grocery cart runs faster than the loaded one.

By Newton's second law ( law of Acceleration ) :

[tex]\qquad \sf  \dashrightarrow \: F = ma [/tex]

If the mass is less, less force will be exerted to move it. hence empty cart runs faster than full cart as it requires more force.

Statement 2 : l

Using Seatbelt to hold your body from leaning forward when a car you are riding suddenly stops.

By Newton's first law ( law of inertia ) :

" An object has tendency to resist change in its state until any external unbalanced force is applied on it. "

So, while driving our state is in motion, and when we apply brake, it's change of state from motion to rest, hence by law of inertia, our body still keep up in motion, that makes us to lean forward.

Statement 3 : lll

While rowing a boat,paddling will cause the bat to moved forward.

By Newton's third law ( law of enteraction ) :

" Every action has an equal and opposite reaction "

when we paddle, we push (apply force on) the water backwards, and hence water exerts a force on us in forward direction that let us move accordingly in water.

Statement 4 : ll

A biker slightly presses the brake as his bike travels down on a slope.

By Newton's second law ( law of Acceleration ) :

[tex]\qquad \sf  \dashrightarrow \: F = ma [/tex]

A biker applies brake when it's a slope, because it's acceleration increases significantly when it goes down the slope and to maintain the speed he applies a brake to slow down. ( increase in Acceleration causes bike to move fast, as more force is exerted )

Statement 5 : ll

lt is easier for you to move a box with relief goods when helped by friends than moving it all by yourself.

By Newton's second law ( law of Acceleration ) :

[tex]\qquad \sf  \dashrightarrow \: F = ma [/tex]

By the given formula we can clearly conclude that, to move a bulky object ( having heavy mass ), greater force is required, so we call for help as we can easily increase the force when there's more than one person pushing it.

Statement 6 : ll

A toy truck with loads runs slower compared to a toy truck with empty loads when you pushed them at the same time.

By Newton's second law ( law of Acceleration ) :

[tex]\qquad \sf  \dashrightarrow \: F = ma [/tex]

If same force is exerted on heavy and light object, Acceleration of that of lighter body will be more than that of bulky body, so.. the truck with load on it has more mass than truck with no load, hence truck with load moves slower.

Statement 7 : l

A kid catches a flying boomerang and stopping its motion.

By Newton's first law ( law of inertia ) :

" An object has tendency to resist change in its state until any external unbalanced force is applied on it. "

When the kid catches the boomerang it was in motion, so it resists to come at rest, Therefore we need to apply a force and with time it comes to rest.

Statement 8 : lll

Your hand hurts when you punch someone hard.

By Newton's third law ( law of enteraction ) :

" Every action has an equal and opposite reaction "

As we hit something hard, it feels painful because when we apply force on that hard object it applies the same force on our palm that results in pain.

Statement 9 : lll

Rocket propulsion or when rocket lifts off from a shuttle System.

By Newton's third law ( law of enteraction ) :

" Every action has an equal and opposite reaction "

In order to go up in the sky, one rocket applies a force download by the process of propulsion and hence by Newton's third law, a force of same magnitude is applied on it that cause Rocket to lift up.

Statement 10 : ll

A cart at rest start moving once someone pushes it forward.

By Newton's second law ( law of Acceleration ) :

[tex]\qquad \sf  \dashrightarrow \: F = ma [/tex]

Acceleration in a body is caused by force acting on it, so to move a car ( Accelerate ) we push it forward ( apply force ).


Related Questions

A computer can be a flexible and powerful tool by using what type of software?

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A computer can be a flexible and powerful tool by using an application software.

What is an application software?

Application software is known to be a type of computer program that is known to often carry out a particular task such as personal, educational, as well as  business function.

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What will happen if you attempt to create a scanner for a nonexistent file? what will happen if you attempt to create a printwriter for an existing file?

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you work as the it administrator for a small corporate network. to accommodate specific network communication needs for an upcoming project, you need to upgrade the network connection's speed for the windows workstation located in the executive office.

Answers

We need to upgrade the network connection's speed for the windows workstation located in the executive office for that we will Install the network interface card and configure the Ethernet cable connection between the computer and the LAN network.

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CAD design is  known to be a kind of a software that is often used by architects, construction managers, as well as engineers and it is one that has said to have taken over manual drafting.

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Why is John Von Neumann a remarkable name in the history of the computer?​

Answers

Answer:

John Von Neumann is one of the most famous people in the history of computers because of the fact that he came up with the concept of speedy computers with data, "the storage program technique". He introduced idea to help out with high speed digital data

One of his important contributions in this field was the development of a logical design for computers that paid attention to such concerns as data storage and the processing of instructions. This design, called “von Neumann architecture,” became the basic concept of most computers

Explanation:

Answer: John Von Neumann is one of the most famous people in the history of computers because of the fact that he came up with the concept of speedy computers with data. "the storage program technique".

Explanation:

____ work to prevent an attack by blocking viruses, malformed packets, and other threats from getting into the company network.

Answers

Intrusion prevention systems work to prevent an attack by blocking viruses, malformed packets, and other threats from getting into the company network.

An intrusion prevention system abbreviated as IPS is a tool that plays a major role in the network security of an organization. This system continuously scans for any activity or viruses that may harm the company network and provides measures to prevent such types of activity.

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which of the following should go in the place of /* missing line */ to get this input from the user and store it in the variable favoritemeal?

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In Computer technology, there are two main methods for passing variables to functions and these include the following:

Pass-by-value.Pass-by-reference.

Based on the given lines of code, favoriteMeal = scan.nextLine(); should be used to get an input from the user and store it in the variable favoriteMeal.

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Complete Question:

The following code is to be used to get the favorite meal from the user.

Scanner scan = new Scanner(System.in);

String favoriteMeal;

System.out.println("Enter favorite meal");

/ missing line /

Which of the following should go in the place of /* missing line */ to get this input from the user and store it in the variable favoriteMeal?

A) Identify and describe your computer or laptop’s hardware, software, and operating system. B) Describe the installation process for printers and scanners. Identify possible malfunctions relating to this installation process. C) Research and describe how you would ensure computer and Internet safety. Describe how you would use ergonomics to minimize the detrimental effects of excess computer usage on your body.

Answers

My computer hardware is Lenovo Ideapad3; to install a printer we must connect it and follow the steps of the automatic software; protection on the pc is guaranteed by using an antivirus; injuries are prevented by taking active breaks and using ergonomic tools.

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Lenovo Ideapad 3.

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How to ensure safety when using the computer?

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Do you foresee that the traditional computer will be replaced by mobile and smart technologies as a primary device form factor in the near future?

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Yes, i do see that the traditional computer will be replaced by mobile and smart technologies as a primary device form factor in the near future.

How will computers evolve in the future?

The future of computing is known to be one that is said to be shaped by the use of transistors that was said to have been made from materials that are not silicon based.

Note that  It is one that is known to being increased to the highest extent by methods  that have nothing to do with the said transistor speed, such as the use of deep-learning software and others.

Therefore, My response is Yes, i do see that the traditional computer will be replaced by mobile and smart technologies as a primary device form factor in the near future.

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Write a program that preprocesses the collection. this preprocessing stage should specifically include a function that tokenizes the text. in doing so, tokenize on whitespace and remove punctuation.

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The code that performs the above results given below:


import java.util.*;

Class Preprocessing

{

   public static void main(String args[])

   {

       StringTokenizer inputText=new StringTokenizer("You! can! enter! input! here!"," ");

       while(inputText.hasMoreTokens())

       {

           System.out.println("Next Token:"+inputText.nextToken("!"));

       }

   }

}

What is a code?

In computer programming, computer code is a set of instructions or a set of rules expressed in a specific programming language (i.e., the source code).

It is also the name given to source code after it has been compiled and is ready to execute on a computer (i.e., the object code).

Coding is the process of directing a computer's behavior using a programming language.

Every line of code in Python instructs the computer to do something, and a document full of lines of code is referred to as a script. Each script is intended to do a certain task.

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Which property of a plaintext password is most effective at defeating a brute-force attack?

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The property of a plaintext password is most effective at defeating a brute-force attack is The length of the password.

Which property of a plaintext password is used for defeating a brute-force attack?

The length of the password is known to be very vital in this type of an attack.

Note that when the password is one that do not have any kind of complexity that is of it is just simple dictionary words, it is one that can make a system to  be still be vulnerable but if it is seen as a long password, the system may still be in a vulnerable state but when the output space is small it makes it hard and difficult.

Therefore, The property of a plaintext password is most effective at defeating a brute-force attack is The length of the password.

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A(n) ____________________ is a group of computers controlled by a computer running windows server.

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A window domain is a group of computers controlled by a computer running windows server.

What is a domain for Windows?

A domain is known to be a set of linked  Windows computers that tends to share user account information as well as a security policy.

Note that the domain controller helps to handle the user account information that is set for all domain members. The domain controller tend to boast network administration.

Therefore, A window domain is a group of computers controlled by a computer running windows server.

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What were two weaknesses of the First New Deal?

A. It failed to end massive unemployment.
B. It created a huge national deficit.
C. It created tension within labor unions.
D. It failed to properly regulate the banks.
E. It caused people to distrust the banks.

Answers

Answer:B. It created a huge national deficit.

Explanation:

B.The New Deal failed because Roosevelt created uncertainty through experimentation, protectionism, regulation, and raising taxes.

The New Deal failed because the NRA, by fixing prices, damaged American business. Folsom explains that the traditional free market system, where businesses compete and innovate to sell products of varying price and quality to choosy customers was overthrown

D. It failed to properly regulate the banks.

.The next day, Roosevelt declared a four-day bank holiday to stop people from withdrawing their money from shaky banks. On March 9, Congress passed Roosevelt’s Emergency Banking Act, which reorganized the banks and closed the ones that were insolvent.

The Great Depression: Causes and Early Events: Mastery Test

-

Hope this helps :)

A copyright is registered, while a trademark is____

Answers

Answer: Approved

Explanation: Copyright is generated automatically upon the creation of original work, whereas a trademark is established through common use of a mark in the course of business.

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In order to be able to perform for programming languages specific to a certain platform, Freddy can take courses such as HTML5 and CSS3.

What is CSS 3 ?

CSS 3 is an abbreviation for Cascading Style Sheets revision 3 and it can be defined as a style sheet programming language that is designed and developed for describing and enhancing the presentation of a webpage (document) that is written in a markup language such as:

XMLHTML

What is HTML 5?

HTML 5 is an abbreviation for hypertext markup language revision 5 and it can be defined as a standard programming language which is used for designing, structuring, developing and presenting websites or webpages.

In order to be able to perform several tasks by using programming languages specific to a certain platform, Freddy can take courses such as HTML5 and CSS3.

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Complete Question:

Select the correct answer from each drop-down menu. Freddy wants to take up a few platform-specific courses for his new job. Which courses can he take?

To be able to perform for programming languages specific to a certain platform, Freddy can take courses such as and .

first dropdown

a. HTML5

b. Visual C#

c. JavaScript

second dropdown

a. Jquery

b. CSS3

c. .NET

A file path is a complete address that describes the exact location of a file. true false

Answers

It is true that a complete address that specifies a file's precise location is known as a file path. That question is related to file system.

A file system stores and arranges files on some type of storage device—typically one or more hard drives—in a way that makes it simple to access and retrieve them. The majority of current file systems store the files in a tree-like (or hierarchical) form.

One or more root nodes can be found at the top of the tree. There are directories and files beneath the root node (folders in Microsoft Windows). Each directory has the ability to hold files and subdirectories, which in turn have the ability to hold files and subdirectories, and so on, potentially indefinitely.

The sample directory tree with a single root node is depicted in the accompanying diagram. Multiple root nodes are supported by Microsoft Windows. Each root node corresponds to a volume, like C: or D: The root node that the Solaris OS supports is identified by the slash (/).

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define a function calcpyramidvolume with double data type parameters baselength, basewidth, and pyramidheight, that returns as a double the volume of a pyramid with a rectangular base. relevant geometry equations: volume

Answers

The defined function is given below:

The C++ Code

#include <iostream>

using namespace std;

/*

Define a function PyramidVolume with double parameters baseLength, baseWidth, and pyramidHeight, that returns as a double the volume of a pyramid with a rectangular base. Relevant geometry equations:

 Volume = base area x height x 1/3

 Base area = base length x base width.

 (Watch out for integer division).

*/

/* Your solution goes here  */

double PyramidVolume(double baseLength, double baseWidth, double pyramidHeight){

double baseArea = baseLength * baseWidth;

double vol = ((baseArea * pyramidHeight) * 1/3);

return vol;

}

int main() {

 cout << "Volume for 1.0, 1.0, 1.0 is: " << PyramidVolume(1.0, 1.0, 1.0) << endl;

  return 0;

}

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During which phase of the development of the internet was the domain name system (dns) introduced?

Answers

Institutional phase of the development of the internet was the domain name system (DNS) introduced.  Thus, option B is correct.

What is a domain name system?

Web addresses are converted to email accounts via the Domain Name System (DNS), what computers utilize to view online articles.

In the institutional phase of the development, the major changes are happening in this the DNS or the domain name system is being introduced which helps in connecting the internet address to the IP of the customer or the person who is being accounted for. Therefore, option B is the correct option.

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The question is incomplete, the complete question will be:

A) Commercialization phase

B) Institutional phase

C) Innovation phase

D) Consolidation phase

what are some websites you commonly use​

Answers

Answer:

boredpanda.com

Explanation:

it has fun collections of tweets, stories, photos etc.

Where ethernet connects lans with each other, internet protocol (ip) connects data between machines that are all on the same network. True or false

Answers

Where ethernet connects lans with each other, internet protocol (ip) connects data between machines that are all on the same network is a true statement.

How are LANs connected to each other?

The use of the  peer-to-peer LAN directly is one that tends to link two devices such as workstations or personal computers  as one or  together through the use of an Ethernet cable.

Note that the client-server LAN is made up  of multiple endpoints as well as servers that are linked to a LAN switch.

Therefore, Where ethernet connects lans with each other, internet protocol (ip) connects data between machines that are all on the same network is a true statement.

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Linux a user typed in the command pwd and saw the output: /home/jim/sales/pending. how could that user navigate to the /home/jim directory?

Answers

Linux a user typed in the command pwd and saw the output: /home/jim/sales/pending. the way in which that user can navigate to the /home/jim directory? is cd ../..

What is a Directory?

This refers to the special type of file that has only the information needed to access files.

Hence, we can see that Linux a user typed in the command pwd and saw the output: /home/jim/sales/pending. the way in which that user can navigate to the /home/jim directory? is cd ../..

This would take him back to the root directory which is home in the Jim directory and he can start viewing the files in their parent-child order.

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What comparison operator is used to test whether an expression does not equal another expression?

Answers

A comparison operator which is used to test whether an expression does not equal another expression is: !=

What is programming?

Programming can be defined as a process through which software developer and computer programmers write a set of instructions (codes) that instructs a software on how to perform a specific task on a computer system.

In Computer technology, a comparison operator can be defined as a type of binary operator that is used for comparing the data values in a field (expression) to either the data values in another field (expression) or a constant.

In conclusion, a comparison operator which can be used to test whether an expression does not equal another expression is the != operator.

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1. Why is it important to learn about cybersecurity?
2. What are you most excited to learn more about in the world of
cybersecurity?

Answers

1. To protect your device from getting bugged.

in this clip, the filmmakers connect each shot using a technique called – . these editing choices are intended to maintain cinematic – and hide the edit.

Answers

The filmmakers connect each shot using a technique called Cutting on action.

These editing choices are intended to maintain cinematic hides the shift from one shot to the next and hide the edit.

What is meant by cutting on action?

Cutting on Action is known to be a term that is said to be used by editor and it is one that implies the  cuts in the middle of a given action to another shot that tends to matches the first shot's  said action.

Note that it is seen as a common editing method that tends to hides the shift from one shot angle  to another shot angle and this is often done  by stopping the first shot in the middle of another continuing action and then beginning the next shot at some distance along in the similar action.

Therefore,  The filmmakers connect each shot using a technique called Cutting on action. These editing choices are intended to maintain cinematic hides the shift from one shot to the next and hide the edit.

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in which domain of a typical it infrastructure is the first layer of defense for a layered security strategy?

Answers

The domain of a typical IT infrastructure that is the first layer of defense for a layered security strategy is the firewall.

What is a Firewall?

This refers to the set of protection that determines what external network traffic(internet) should or should not be allowed to pass the internal network.

Hence, we can see that The domain of a typical IT infrastructure that is the first layer of defense for a layered security strategy is the firewall and this is because it protects and filters incoming network.

This firewall helps to act as the first layer of defense for a layered security strategy as it allows or prevents network access.

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Which document is issued by the state real estate commissioner to help protect purchasers of subdivision plots?

Answers

Public report is a document that the state real estate commissioner issues to assist in protecting buyers of subdivision plots.

The state real estate commissioner issues a public report following application and approval to satisfy the disclosure requirements of the Subdivided Land Laws to stop fraud and misrepresentation when selling subdivided land to buyers.

The Public Report will typically include information about the applicant's name, the subdivision's location and size, utility, school, tax, management, maintenance, and operational costs, as well as any unusual easements, rights of way, setback requirements for vacant land offerings, and restrictions or conditions.

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question 3. you'll sometimes want to find the last element of an array. suppose an array has 142 elements. what is the index of its last element? (4 points)

Answers

You'll sometimes want to find the last element of an array. suppose an array has 142 elements. The index of the last element is array[141]. Because array index start at zero.

In different programming languages, the syntax is different to get the last element of an array.

For example, in C++, to get the last element of the array, we use the following program to get the last element of the array:

#include <iostream>

#include <array>

using namespace std;

int main()// main function

{

  array<int,142> myArray {1, 2, 3, 4,..., 142};/*suppose array has 142 elements*/

   int lastElementofArray = myArray.back();/*get the last element of the array*/

  cout<<"last element is: "<<lastElementofArray<<endl;/* print the last element of the array*/

  return 0;

}//end of main function.

While in python to get the last element of array, the following program performs this function.

myArray = [1,2,3,4,5,.....,142] /*assume we have 142 element in it*/

last_element = myArray[-1]/*it will get the last element of the array*/

print(last_element)//print the last element in the array.

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joshua is running a sprint. of the four key items to help make a sprint successful, which key item and tool are used to show progress?

Answers

Of the four key items to help make a Sprint successful, the key item and tool which are used to show progress is: daily Scrum; standup.

What is physical fitness?

Physical fitness can be defined as a measure of both the physical and mental soundness (wellness) or ability of an individual to engage in physical exercises (sprints), sports, work and other day-to-day activities.

Generally, there are four (4) key items that help make a Sprint successful and these include the following:

The sprint planning meeting.The daily scrum.The sprint review meeting.The sprint retrospective.

In conclusion, the daily Scrum and standup are the key item and tool which are used to show progress in a Sprint.

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Complete Question:

Joshua is running a Sprint. Of the four key items to help make a Sprint successful, which key item and tool are used to show progress?

Select an answer:

measurement; burndown chart

Daily Scrum; standup

two routers, r1 and r2, connect using an ethernet over mpls service. the service provides point-to-point service between these two routers only, as a layer 2 ethernet service. which of the following are the most likely to be true about this wan? (choose two answers.)

Answers

a. R1 will connect to a physical Ethernet link, with the other end of the cable connected to R2.

b. R1 will connect to a physical Ethernet link, with the other end of the cable connected to a device at the WAN service provider point of presence.

c. R1 will forward data link frames to R2 using an HDLC header/trailer.

d. R1 will forward data link frames to R2 using an Ethernet header/trailer.

B (R1 will link to a physical Ethernet link, with the other end of the cable attached to a device at the WAN service provider point of presence.) and D (R1 will transmit Ethernet header/trailer-encoded data link frames to R2 for transmission).

Each router connects to an SP device in an SP facility known as a point of presence using a physical Ethernet link in the physical installation (POP).

Each customer's device is not connected through an Ethernet link. Both routers employ the same Ethernet standard header and trailer used on LANs from a data link standpoint; HDLC is irrelevant on these Ethernet WAN links.

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You can mix ntfs permissions and share permissions on the same system. True or false

Answers

Answer:

true

Explanation:

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