what is the relationship between a boats volume and the amount of mass it can hold before sinking

Answer:

About 15 seconds,.344 kilo

Explanation:

Answer:

15.36 [sec]; 2.64143 [km].

Explanation:

all the details are in the attachment, note, the suggested solution consists of two parts: formula and solution.

2197 m far behind the train is the automobile when it reaches the speed of 28.8 m/s, assuming that the train speed has remained at 28.8 m/s

s₁=v²/2a₁=28.8²/2•4=103.7 m.

Automobile:

s=s₁+s₃=103.7+262.5=366.2

t= t₁+t₂+t₃=7.2+63.8+18.2 = 89 s.

Train:

S=v •t=28.8•89=25 63.

Δs=S-s =2563.2-366.2=2197 m

The study of motion in a system of bodies is called kinematics, which does not directly take into account the forces or potential fields influencing the motion. In other terms, kinematics investigates the distribution of momentum and energy among interacting entities.

Understanding the causes of various motions of an item, such as rotational motion in which the object receives force or torque, is the main goal of kinetics. The definition of concepts like acceleration, velocity, and location of objects is provided by kinematics.

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According to the given statement The voltage gradient between the plates is ​45.2kV/m

The Volt/meter (V/m) unit of measure for potential gradient is standard. Take a look at the graph between the potential gradient and distance. The potential gradient is strong when the object is close to or at a low distance from the high voltage wire; as you increase the distance, the gradient reduces.

Flux Density

D = 2μC/m²

D =2×10⁻⁶ C/m²

ε[tex]_0[/tex] = 8.85 × 10⁻¹² F/m

ε[tex]_r[/tex] = 5

D/E = ε[tex]_0[/tex]ε[tex]_r[/tex]   hence voltage gradient

E = D/ε[tex]_0[/tex]ε[tex]_r[/tex]

= [tex]\frac{2 \times 10^{-6}}{8.85 \times 10^{-12} \times 5} \mathrm{~V} / \mathrm{m}[/tex]

= 45.2kV/m

The voltage gradient between the plates is ​45.2kV/m

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Answer: 0.15 Tm, 150000000 km

Explanation:

150,000,000,000m  to km=150000000 km (divide by 1000)

150,000,000,000m  to Tm=0.15 Tm

if a fighter hits a punching bag and brings it from rest up to a speed of 40 m/s in 0.08 s, Then the force of impact on the punching bag if its mass is 100 kg would be 50000 Newtons,

Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum.

The impact of the force on the punching bag = momentum/time

                                                                           =100×40 / 0.08

                                                                           =5000 Newtons

Thus, the force of impact on the punching bag would be 50000 Newtons.

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The erosion of the limestone can result in all the following landforms except ridges.

weather -

Limestone - It is type of  minerals that could occur at a given place.

The presence of the limestone in a place is able to change or alter the landform or the arrangement of the land in a given area.

Some of these changes are very much significant and can be easily observed in an area where there is a Limestone bedrock. Landforms could be a characteristic of a place and we know that it could be used to identify a given area.

The erosion of the limestone can result in all the following landforms except ridges.

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Answer:

B. Ridges

Explanation:

Proof shown below

The baseball with the greater acceleration is baseball A

Force and acceleration are related according to the following formula:

Force (F) = mass (m) × acceleration (a)

F = ma

F = ma

Divide both sides by m

a = F / m

a = 100 / 0.25

Acceleration of A = 400 m/s²

F = ma

Divide both sides by m

a = F / m

a = 100 / 0.3

Acceleration of B = 333.33 m/s²

From the above calculations, we obtained:

Thus, baseball A has the greater acceleration

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The sum of the vectors is shown in the image attached to this answer.

A vector quantity is a quantity that has both magnitude and direction. In effect, as we try to obtain the combination of the vector we also have to consider the direction. The vectors are often shown  by the use of a bold face or by the use of an arrow over the sign of the vector.

Now looking at this vectors, we know that the sum of the vectors can only be obtained geometrically but the arrows of the vectors must have to point in the appropriate directions for the correct  sum to be obtained.

Thus the sum of the vectors is shown in the image attached to this answer.

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Answer:

a positive form of stress having a beneficial effect on health, motivation, performance, and emotional well-being … during positive stress ("eustress"), such as a promotion or vacation, feel-good chemicals called endorphins are released

Explanation:

that is the answer

The magnitude of the acceleration experienced by Purley is -1749.82 m/s²

We'll begin by converting 173 Km/h to m/s. This can be obtained as follow:

3.6 Km/h = 1 m/s

Therefore,

173 Km/h = (173 Km/h × 1 m/s) / 3.6 Km/h

173 Km/h = 48.06 m/s

The following data were obtained from the question:

The acceleration can be obtained as follow:

v² = u² + 2as

0² = 48.06² + (2 × a × 0.66)

0 = 2309.7636 + 1.32a

Collect like terms

1.32a = 0 - 2309.7636

1.32a = -2309.7636

Divide both sides by 1.32

a = -2309.7636 / 1.32

a = -1749.82 m/s²

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Answer:

yes.

Explanation:

Answer:

yes

Explanation:i am THE Amalee

The car will travel only distance of 25.92 m.In order to overtake it needs to travel 40m. So don't attempt to pass the truck.

Vehicle speed is 25 m/s.

40m is the distance the automobile must go to pass the truck.Distance between the car approaching from the opposite direction and the passing location is 400-40, or 360 meters.

Time allowed for a car to pass a truck of 20 meters in length is equal to the distance between the automobile coming from the other direction and the relative speed of the two cars.

Time equals 360/50, or 7.2 seconds.

Let's assume that the truck is going at the same rate as the car.

The expression "distance traveled by car in comparison to truck"

S is the distance traveled, u is the initial velocity, an is the acceleration, and t is the amount of time spent, where S = ut +[tex]\frac{1}{2}at^{2}[/tex]

Here, u = 0, t = 7.2 s, and a = 1 m/[tex]s^{2}[/tex]

hence, the distance driven in 7.2 seconds

So,     S = 0+ 25.92 = 25.92 m

So car will travel only travel 25.92 m

In order to overtake it needs to travel 40m. So don't attempt to pass the truck.

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The speed of the racehorse increases by 27m/s.

Speed, expressed in terms of meters per second, is the rate at which an object's location changes. An item moves one meter in one second, for instance, if it starts at the origin and moves three meters in three seconds. A simple division of time by distance yields the equation for speed. To calculate speed, divide the distance traveled (say, 3 meters) by the passing time (say, three seconds) (one meter per second).

Speed is measured as distance moved over time.

Speed =  Distance/Time

We can also use these symbols:

Speed =  Δs/Δt

Speed is commonly measured in meters per second (m/s or m s-1), or kilometers per hour (km/h or km h-1)

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Answer:

The more mass the more kinetic energy it has

Explanation:

like a plastic ball and a metal one the metal one will fall faster.

hope this helps

D) The system has external forces, such as friction and air resistance, acting on it.

According to Newton's first law, a change in motion is brought about by a net external force. External forces are forces that originate outside of an object or system and operate on it. Internal forces are generated within the studied system and do not result in acceleration. As a result, while analyzing an object's motion, we only take into account the exterior forces that cause it to accelerate, ignoring the interior forces.

The applied force, normal force, tension force, friction force, and air resistance force are examples of external forces. The internal forces, however, also include gravitational, magnetic, electric, and spring forces. A greater acceleration results from a greater net external force. The system's acceleration would thus be inversely proportional to the system's net external force.

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Answer:

The formula for potential energy depends on the force acting on the two objects.

Answer:

PN=P1+P2+P3.......................PN

Answer:

D

Explanation:

the amount of potential energy is dependents on the weight and the hight and gravitational energy being forced onto a object.

The erosion of limestone bedrock can result in the formation of all the following landforms except ridges.

Limestone is a type of sedimentary rock that is primarily composed of the mineral calcite (calcium carbonate, CaCO₃). It accounts for around ten percent of the total volume of all sedimentary rocks. This rock is distinguished by the fact that its principal constituent, calcite, is primarily formed by shell-producing and coral-building living organisms. The action of acidic water on limestone deposits has created numerous caverns, gorges, sinkholes, and other natural landforms.

Whereas, a ridge, often known as a mountain ridge, is a geographical feature composed of a series of mountains or hills that form a continuously raised crest over a long distance.

Therefore, the erosion of limestone bedrock can result in the formation of caverns, sinkholes, and underground waterways except for ridges.

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After an experiment, research participants are told its purpose and about any deception they may have experienced. This is called debriefing. So, the correct option is (c).

Debriefing is the act of reporting on a mission, project, or the data gleaned from it. After an activity or event, a structured procedure examines the actions performed.Debriefing is a methodical learning procedure created to help plans continually improve as they are being carried out.

Debriefing can be used as an example during an experiment when the researchers required to use some type of deception for the purpose of the study.

Debriefing has its roots in the military as a technique to learn quickly in rapidly changing situations and to correct mistakes or changes on the field. In this instance, the researchers would describe their reasoning for deception and the goal of the study during the debriefing session.

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The slope of a linear position graph tells the velocity of the object, for an object which is moving at a constant speed the position graph with linear shape, and the velocity graph with horizontal shape, and for an object which is moving at a constant acceleration the position graph will be the in parabolic shape and velocity graph is of linear shape.

The rate of change in an object's velocity with respect to time is known as acceleration in mechanics. The vector quantity of accelerations. The direction of the net force that is acting on an object determines its acceleration.

Since acceleration has both a magnitude and a direction, it is a vector quantity. Velocity is a vector quantity as well. The definition of acceleration is the change in velocity vector over a time interval divided by the time interval.

There are several types of acceleration :

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If a car decreases in speed to a stop from an initial speed of 21 m/s in a period of 13 s, the average acceleration is 1.62m/s².

The acceleration of a moving body can be calculated by dividing the change in velocity (∆V) by the time taken. That is;

a = v - u/t

Where;

According to this question, a car decreases in speed to a stop from an initial speed of 21 m/s in a period of 13 s. The average acceleration is as follows:

acceleration = 21 - 0/13

acceleration = 1.62m/s²

Therefore, if a car decreases in speed to a stop from an initial speed of 21 m/s in a period of 13 s, the average acceleration is 1.62m/s².

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A. When an object's acceleration vector points in the same direction as its velocity, the object speeds up without turning.

The average acceleration vector is defined as the rate at which the velocity changes with time.

When an object is slowing down, the acceleration of the object is in the opposite direction as the velocity.

Also, when an object is speeding up, the acceleration of the object is in the same direction as the velocity.

Thus, when an object's acceleration vector points in the same direction as its velocity, the object speeds up without turning.

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Answer: kfhfjffhfjfvfh.

Explanation: hfhvfffhfhf.

For any freely falling item, the acceleration in the kinematic equations is -9.8 m/s/s, whether or not this is explicitly stated.

The supplied problem informs us that a ball was dropped and is supposed to be falling freely. Since the problem does not specify whether any other forces were present to influence the ball's motion, we must assume that the initial speed is v0=0 m/s.

Free-falling accelerates at a rate of 9.8 m/s2, which is referred to as the acceleration owing to gravity because it is being drawn towards the center of the earth. This indicates that a=9.8m/s2 is the value of the initial and final accelerations.

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Answer:

There is more to motion than distance and displacement. Questions such as, “How long does a foot race take?” and “What was the runner’s speed?” cannot be answered without an understanding of other concepts. In this section we will look at time, speed, and velocity to expand our understanding of motion.

A description of how fast or slow an object moves is its speed. Speed is the rate at which an object changes its location. Like distance, speed is a scalar because it has a magnitude but not a direction. Because speed is a rate, it depends on the time interval of motion. You can calculate the elapsed time or the change in time, Δt, of motion as the difference between the ending time and the beginning time

The SI unit of time is the second (s), and the SI unit of speed is meters per second (m/s), but sometimes kilometers per hour (km/h), miles per hour (mph) or other units of speed are used.

When you describe an object's speed, you often describe the average over a time period. Average speed, vavg, is the distance traveled divided by the time during which the motion occurs.

vavg=

distance

time

You can, of course, rearrange the equation to solve for either distance or time

time =

distance

vavg

.

distance = vavg × time

Suppose, for example, a car travels 150 kilometers in 3.2 hours. Its average speed for the trip is

vavg =

distance

time

=

150 km

3.2 h

47 km/h.

A car's speed would likely increase and decrease many times over a 3.2 hour trip. Its speed at a specific instant in time, however, is its instantaneous speed. A car's speedometer describes its instantaneous speed.

Explanation:

The amount of energy used is known as energy consumption.

Find the energy-consumption rate for five electrical devices you use every day.

The following is the power consumption formula or energy consumption formula: E = P*(t/1000); where E is energy expressed in Joules or kilowatt-hours (kWh), P is power expressed in watts, and t is the duration of the consumption of the power or energy.

A lot of electricity is used by electrical appliances. Those that produce heat or have moving parts consume a lot more energy than those that do the same for light or sound.

A higher-wattage appliance actually uses less electricity overall than a lower-wattage one, because it is properly made and completes its task more quickly.

The following are some of the commonly used electrical devices in a daily household.

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Answer:

Conduction: Touching a stove and being burned. Ice cooling down your hand. .

Explanation: