4.5 seconds

3 seconds

3 hours

6 seconds

Answer:

I’m pretty positive that it’s 3 seconds

Hope this helps!

I’m pretty positive that it’s 3 seconds

Hope this helps!

Which of the following is true for gravitational force?

Group of answer choices

Decreases with decrease in distance

Increases with increase in distance

Decreases with increase in mass

Increases with increase in mass

**Answer:**

The gravitational force b) Increases with increase in mass.

Explanation:

The gravitational force between two objects is given by

F=G\frac{m_1 m_2}{r^2}F=Gr2m1m2

where

G is the gravitational constant

m1, m2 are the masses of the two objects

r is the separation between the objects

From the equation, we notice that:

- The force is proportional to the masses, m1 and m2: so, if the masses increase, the force will increase, and if the masses decrease, the force will decrease

- The force is inversely proportional to the distance between the masses, r: so, if the distance increases, the force will decreases, and if the distance decreases , the force will increases

Therefore, the correct options is only:

Increases with increase in mass

**Answer: The answer is b increases in increase of mass because the heavier the object is the more gravitional pull it will have.**

**Explanation: Which of the following is true for gravitational force?
**

**Group of answer choices
**

**Decreases with decrease in distance
**

**
**

**Increases with increase in distance
**

**
**

**Decreases with increase in mass
**

**
**

**Increases with increase in mass**

How charged objects can affect other objects without touching them. ?

By gravity as well as electrostatic and magnetic attraction and repulsion

Example forces being exerted by one object on another without them being in contact with each other

Example forces being exerted by one object on another without them being in contact with each other

I'll give brainlest

*the first pic is for Alberto and second for the mouse*

Question 1

Alberto created a graph to illustrate his trip. Answer the questions below.

A. How does Alberto's motion change at point B?

B. What is Alberto's speed from point C to point D?

C. What happens at point D? (1 point)

Question 2

Answer the question below about Smokey The Mouse.

A. Use inertia to explain how a balanced force will affect his motion. (Newton's 1st Law)

B. What are two ways Smoky can increase his speed? (Use Newton's 2nd Law to help you)

C. What is an example of an action and reaction at work in this picture? (Use Newton's 3rd Law to help you)

**Answer:**

The mouse exerts a force on the ground and the ground exerts an equal and opposite reaction force on the mouse.

At point B, Alberto's distance covered increases with time, equal distance is covered in equal time interval. The speed increases uniformly. At the point C to D, the distance covered with time remains the same. At the point D, equal distance is no longer covered in equal time intervals.

According to the law of inertia, an object will remain at rest or in a state of uniform motion unless it is acted upon by an unbalanced force. This means that smokey mouse will continue moving uniformly unless a force acts on it.

From Newton's second law; F = ma and a = F/m. F = force , m= mass, a = acceleration. This implies that smokey mouse can increase its speed by;

Increasing the force acting on the mouse

Decreasing the mass of the mouse

Action and reaction is encountered as the mouse is walking. The mouse exerts a force on the ground and the ground exerts an equal and opposite reaction force on the mouse.

**Explanation:**

Which of these ALL require direction? Force, Time, Acceleration Displacement, Velocity, Force Mass, Time, Speed Speed, Velocity, Distance

PLS ANSWER QUICK!!!!

**Answer:**

force, acceleration, displacement, velocity requires direction

If you have a train traveling 750 m in 63

seconds how fast is the train travelling?

**Answer:**

**The train would be moving 47,250 mph **

An object accelerates from rest to 93 m/s over a distance of 49 m. What acceleration did it experience?

**Answer:**

[tex]88.3ms {}^{ - 2} [/tex]

or 88.3m/s^2

**Explanation:**

Using suvat where we list everything that we are given

s=49m

u=0m/s

v=93m/s

a=?

t=we are not given this value, so we don't use

using a formula that doesn't involve time:

[tex]v {}^{2} = u {}^{2} + 2as[/tex]

rearranging to find acceleration by subtracting u^2 on both sides

[tex]v {}^{2} - u {}^{2} = 2as[/tex]

then dividing 2s on both sides

[tex] \frac{v {}^{2} - u {}^{2} }{2s} = a[/tex]

[tex] \frac{(93) {}^{2} - (0) {}^{2} }{2 \times(49) } = 88.3ms {}^{ - 2} [/tex]

so the acceleration is 88.3ms^-2 (1dp)

a measure of change in velocity in a measure of time is

[tex]\\ \sf\Rrightarrow Acceleration=\dfrac{\Delta V}{t}[)tex]

In simplified form

[tex]\\ \sf\Rrightarrow Acceleration=\dfrac{dv}{dt}[/tex]

The rate of change of velocity with respect to time period is called acceleration.SI units-m/s^2Why does the size of a white dwarf affect its visual luminosity?

**Answer:**

A typical white dwarf has a carbon and oxygen mass similar to the Sun, but is much smaller in size (similar to the Earth). It is much hotter (25,000 K), but because of its small size its luminosity is low. ... Some very nearby white dwarf stars can be observed directly through telescopes, though they are extremely faint.

**Explanation:**

Help please!

3. A 75 kg linebacker moving at 6 m/s is running towards an 80 kg tackle moving 4 m/s. If they collide and stick together, how fast will they be moving after the collision?

5. A 6 kg bowling ball and a 4 kg bowling ball are rolled toward each other. The 6 kg ball is initially moving at 5.1 m/s and the 4 kg ball is moving in the opposite direction at 1.3 m/s. If the 6 kg ball slows to 1.5 m/s, what is the final speed of the 4 kg ball?

3. The sum of the players' momenta is equal to the momentum of the players when they're stuck together:

(75 kg) (6 m/s) + (80 kg) (-4 m/s) = (75 kg + 80 kg) v

where v is the velocity of the combined players. Solve for v :

450 kg•m/s - 320 kg•m/s = (155 kg) v

v = (130 kg•m/s) / (155 kg)

**v ≈ 0.84 m/s**

4. The total momentum of the bowling balls prior to collision is conserved and is the same after their collision, so that

(6 kg) (5.1 m/s) + (4 kg) (-1.3 m/s) = (6 kg) (1.5 m/s) + (4 kg) v

where v is the new velocity of the 4-kg ball. Solve for v :

30.6 kg•m/s - 5.2 kg•m/s = 9 kg•m/s + (4 kg) v

v = (16.4 kg•m/s) / (4 kg)

**v = 4.1 m/s**

If astronomers discovered a new planet and found its period of rotation around the Sun to be 105 years, how long would its semi-major axis length be as it orbited the Sun in AU?

From **Kepler's third law**, its semi-major axis length will be **22.2 AU** approximately as it orbited the Sun in AU. The closest option is option **C**

Given that an astronomers discovered a new planet and found its period of rotation around the Sun to be 105 years.

According to **Kepler's third law**,

[tex]T^{2} \alpha r^{3}[/tex]

Where

T = Period ( in earth years) = time to complete one orbit

r = Length of the semi major axis in Astronomical unit.

[tex]T^{2}[/tex] = [tex]\frac{4\pi ^{2} }{GM} * r^{3}[/tex]

**convert years to seconds**

105 x 365 day x 24 hours x 3600 s

T = 3311280000 seconds

Mass of the sun M = 1.989 × 10^30 kg

G = 6.67 x [tex]10^{-11}[/tex]N m^2/kg^2

Substitute all the parameters into the formula

[tex]T^{2}[/tex] = 1.096 x [tex]10^{19}[/tex] = [tex]\frac{4\pi ^{2} }{6.67 * 10^{-11} * 1.989 * 10^{30} } * r^{3}[/tex]

1.096 x [tex]10^{19}[/tex] = 2.976 x [tex]10^{-19}[/tex] [tex]r^{3}[/tex]

[tex]r^{3}[/tex] = 1.096 x [tex]10^{19}[/tex] / 2.976 x [tex]10^{-19}[/tex]

[tex]r^{3}[/tex] = 3.68 x [tex]10^{37}[/tex]

r = [tex]\sqrt[3]{3.68 * 10^{37} }[/tex]

r = 3.33 x [tex]10^{12}[/tex] m

**1 AU = 1.5 x **[tex]10^{11}[/tex]** m**

r = 3.33 x [tex]10^{12}[/tex] / 1.5 x [tex]10^{11}[/tex]

r = 22.18 AU

Therefore, its semi-major axis length will be **22.2 AU** approximately as it orbited the Sun in AU. The closest option is option **C**

Learn more about Kepler's laws here: https://brainly.com/question/4639131

**Answer:**

C. 22.3 AU

**Explanation:**

Not only is the above an unnecessarily complicated answer, it's not even fully correct, and definitely not what they want you to do.

*T*^2 = *s*^3, where *T* = orbital period and *s* = semi-major axis length.

Substitute *T *and you get 105^2 = *s*^3. Solve for *s*.

11025 = *s*^3

3√11025 = *s*

22.25663649 = *s*

Therefore, the answer is C. 22.3 AU

Explain how energy changes in the spring toy below when it goes downstairs.

Given what we know, we can confirm that the **spring toy **uses the transfer of **potential gravitational **energy into **kinetic energy **of motion in order to fall down the **stairs**.

Therefore, we can confirm that the **spring toy **uses its position at the top of each stair as a source of **potential energy**, which using the **momentum **from the last fall, it transfers into the **kinetic energy **of motion as it falls, all through the help of **gravity**.

To learn more about **energy **visit:

https://brainly.com/question/999862?referrer=searchResults

Carlos wanted to know how positive and

negative charges affect balloons. The

balloons shown below are part of his

investigation.

**Answer:**

it Give only one of them a positive or negative charge

**Answer:**

Rubbing the balloon against hair or wool causes electrons to move from the hair or wool to the balloon. The balloon's negative charges are attracted to the positive charges in the can, and so the can rolls toward the balloon.

how does the function of the parts of the system contribute to its function as a whole

plsss help i need it rn i’ll give brainliest

Answer and explanation: Just as the organs in an organ system work together to accomplish their task, so the different organ systems also cooperate to keep the body running. For example, the respiratory system and the circulatory system work closely together to deliver oxygen to cells and to get rid of the carbon dioxide the cells produce.

Change in inherited characteristics over time is called what?

**Answer:**

characteristics

**Explanation:**

Change in inherited characteristics over time is called what?Change in inherited characteristics over time is called what?Change iChange in inherited characteristics over time is called what?n inherited characteristics over time is called what?Change in inherited characteristics over time is called what?

Change in inherited characteristics over time is called what?Change in inherited characteristics over time is called what?Change in inherited characteristics over time is called what?

[tex] \color{blue}{ \sf lololololololol}[/tex]

A multi-dimensional being reaches down to Earth and pulls you out of the universe. You are then thrown back into the universe at a place and time of the being's choosing, and you are permitted to leave only after you have identified your surroundings. This process is repeated several times. Through a scientifically unexplainable miracle, you are able to survive in every one of the places that you find yourself. In each scenario below, identify your surroundings (and potentially your cosmic era) from among the choices given. You find yourself in a place that is unimaginably hot and dense. A rapidly changing gravitational field randomly warps space and time. Gripped by these huge fluctuations, you notice that there is but a single, unified force governing the universe.

Required:

Where are you?

You are in an **early universe**.

In the study of the evolution of the **universe**, it has been determined before **Plank time **(before the big bang and right after it), the **early universe **had the following characteristics:

These characteristics match the ones described, based on this, we can conclude you are in an **early universe**.

Learn more about **universe **in: https://brainly.com/question/9724831

Ali kicks a soccer ball upward at 45° angle

with an initial speed of 32 m/s. What

expression should Ahmed use to calculate

the magnitude of the ball's initial velocity

the horizontal direction?

Select one:

a. 32 sin(45°) m/s

b. 32 cos(45°) m/s

c. 32 tan(45°) m/s

d. 45 m/s

**Answer:**

the answer is 32sin(45°)m/s

explain maximum and minimum thermometer working(answer only for points will be reported)

**Explanation:**

What is the minimum number of overload units such as heaters, trip coils, or thermal cutouts allowed for a three-phase AC motor's protection

The **minimum number** of overload units for a **three-phase** AC **motor's **protection is THREE (3). It is a **polyphase **motor.

**Three-phase motors** are **polyphase **motors, which can be **induction **motors or **synchronous **motors.

A **three-phase motor **is organized to run on three-phase **alternating current **(AC) electrical power, which is required for diverse industrial devices that use a lot of electrical energy.

These motors (**three-phase motor**) are composed of a **stator **(the outer part), a **rotor **(rotating part), and the **enclosure **(the external skeleton).

Learn more about three-phase motors here:

https://brainly.com/question/14329442

The region of the globe directly beneath the Sun is warmer because it ____. A. sees more intense wavelengths reaching the surface B. is closer to the Sun C. has more yearly daylight than other parts of Earth D. receives direct sunlight

The answer is A. Sees more intense wavelengths reaching the surface

pls help it's due today

**Answer:**

Breh seriously. Ugh fine.

1.B

2.D

3.C

4.C

5.D,A and B

6.A,C and D

Which particles within the atom are electricity charged?

a. Electrons only.

b. Neutrons only.

c. Protons only.

d. Electrons and protons.

e. Protons and neurons.

**Answer:**

I think b sorry if wrong

**Explanation:**

it b sorry if wrong

**Answer:**

**Given that these particles make up atoms, they are often referred to as subatomic particles. There are three subatomic particles: protons, neutrons and electrons. Two of the subatomic particles have electrical charges: protons have a positive charge while electrons have a negative charge:**

A mass is pulled to the right while on a table.

A. Label the forces.

5 kg

B. Calculate the

object's weight.

**Answer:**

weight in 49N

I hope it's correct

What is the equivalent resistance of a 12-ohm resistor wired in parallel with a 4-ohm resistor?

А

0.06 ohms

B

0.33 ohms

С

3.0 ohms

D

16.0 ohms

[tex]R=\frac{R1.R2}{R1+R2} = \frac{12.4}{12+4}=\frac{48}{16}=3<ohms>[/tex]

The answer is : C. 3.0 ohms

Ok done. Thank to me :>

A plane flies from New York to LA at a constant speed of 800 km an hour how long will it take the plane to fly to 4,200 kilometers

**Answer:**

3.5 hours

**Explanation:**

Energy stores in food would be considered what

**Answer:**

Energy stored in food is consider as carbohydrate,protein,fats,etc.

Calculate the Work done if the force is 2000 Newtons

and the distance is 5 km.

**Answer:**

10 million joules or 10,000 KJ

**Explanation:**

Work= Force x Displacement

convert 5km into meters -5km=5000m

W= 2000N x 5000m

w=10,000,000 Joules

or 10,000KJ

Imagine that you are going to visit your friend. Before you get there, you decide to stop at the variety store. If you walk 200 m (N) from your home to the store, and then travel 600 m [S] to your friend's house, what is your total displacement?

**Answer:**

400m

**Explanation:**

**Brainliest? :))**

Let your initial displacement from your home to the store be

Dd

>

1 and your displacement from the store to your friend’s house

be Dd

>

2.

Given: Dd

>

1 = 200 m [N]; Dd

>

2 = 600 m [S]

Required: Dd

>

T

Analysis: Dd

>

T 5 Dd

>

1 1 Dd

>

2

Solution: Figure 6 shows the given vectors, with the tip of Dd

>

1

joined to the tail of Dd

>

2. The resultant vector Dd

>

T is drawn in red,

from the tail of Dd

>

1 to the tip of Dd

>

2. The direction of Dd

>

T is [S].

Dd

>

T measures 4 cm in length in Figure 6, so using the scale of

1 cm : 100 m, the actual magnitude of Dd

>

T is 400 m.

Statement: Relative to your starting point at your home, your

total displacement is 400 m [S].

A 30 g mass is attached to one end of a 10-cm-long spring.

The other end of the spring is connected to a frictionless pivot on

a frictionless, horizontal surface. Spinning the mass around in a

circle at 90 rpm causes the spring to stretch to a length of 12 cm.

What is the value of the spring constant?

The value of the **spring constant **of the spring is **14.7 N/m.**

The given parameters;

The **extension **of the **spring **is calculated as follows;

[tex]\Delta x = L_1 - L_0\\\\\Delta x = 12 \ cm - \ 10 \ cm\\\\\Delta x = 2 \ cm = 0.02 \ m[/tex]

The value of the **spring constant **of the spring is calculated by applying **Hooke's law**;

[tex]F = mg = k\Delta x\\\\k = \frac{mg}{\Delta x } \\\\k = \frac{0.03 \times 9.8}{0.02} \\\\k = 14.7 \ N/m[/tex]

Learn more about** **Hooke's law here:https://brainly.com/question/4404276

Solve the science problem

**Answer:**

1.hydrogen

2.helium

3. lithium

4.beryllium

5.boron

6.carbon

7.nitrogen

8.oxygen

9.fluorine

10.neon

What process primes a molecule to change in a way that increases its activity, produces motion, or does work

**Answer:**

cellular respiration.

explanation: cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.

What statement best explains the impact of the dogs growling in this passage
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In the middle of the movie "A Christmas Carol", please list how scrooge was shown scrooge starting to become genourous. (IN THE MIDDLE)Help is very much appreciated :)
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no one helped so im asking for these 2 again
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CHAPTER 3 REVIEWISLAMPAGES 88-89CRITICAL THINKINGAnswer the following question. Support your answers with evidence from the chapter.18. What is one major way in which medieval Muslims scholars helped build a foundation for modern civilization?.19. How did the Quran affect the development of Islamic art?20. How did its geographic location contribute to the growth of the Safavid Empire?21.. Which of the Muslim empires was the greatest? Be sure to explain what you mean by great.INTERPRET MAPS22. Across what region had Islam spread by the time of Muhammads death in 632?23. To what continents had Islam spread by 661?
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Uh yeah the answer is 20 1/12 but could you tell me the step by step process for thisty!WORTH 15 POINTS!!!