Table of Contents

- 1 What happens to kinetic energy if speed is tripled?
- 2 What happens to kinetic energy if speed is doubled?
- 3 When the speed of the truck is tripled by what factor does its kinetic energy increase?
- 4 How many times does the kinetic energy of a body increases if its mass and speed are doubled?
- 5 What is the relationship between kinetic energy and mass?

## What happens to kinetic energy if speed is tripled?

The relationship between Kinetic Energy and velocity is also directly proportional but with the square of the velocity. b) So if the velocity triples, then it is 32 , three squared or 9. Hence, KE is 9 times greater.

**What will be the kinetic energy if the mass and speed is tripled?**

What happens to kinetic energy when mass is constant and speed is tripled? Hence, KE is 9 times greater.

**How much will the kinetic energy of a body increase if its speed is tripled?**

If the speed of an object is doubled by increasing its velocity, its kinetic energy becomes four times its initial value. Thus kinetic energy increases by four times when its momentum is doubled. Hence kinetic energy of a body is increased most by doubling its speed.

### What happens to kinetic energy if speed is doubled?

The kinetic energy is proportional to the square of the speed, so doubling the speed increases the kinetic energy by a factor of 4.

**Which of the following when tripled has the greatest effect on kinetic energy?**

Therefore, doubling the velocity has greater effect on the kinetic energy of the object than doubling its mass. Because kinetic energy is proportional to the velocity squared, increases in velocity will have an exponentially greater effect on translational kinetic energy.

**What happens to the potential energy if the mass is constant and the height is tripled?**

Since the gravitational potential energy of an object is directly proportional to its height above the zero position, a doubling of the height will result in a doubling of the gravitational potential energy. A tripling of the height will result in a tripling of the gravitational potential energy.

## When the speed of the truck is tripled by what factor does its kinetic energy increase?

When the velocity triples, the kinetic energy goes up by a factor of 9 because the velocity gets squared while mass remains constant.

**What happens to potential energy when mass is constant and height is tripled?**

**How much times will the kinetic energy of a body increase if mass and speed of a body are doubled?**

The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed is called its kinetic energy. Hence, when velocity is doubled, kinetic energy becomes 4 times.

### How many times does the kinetic energy of a body increases if its mass and speed are doubled?

Hence, if mass and velocity will get double then the original kinetic energy will become eight times of itself.

**What affects kinetic energy the most mass or speed?**

The two main factors that affect kinetic energy are mass and speed. Why? Because the motion of an object depends on how fast it’s traveling, but also how much mass it has, though velocity is the more important factor.

**What happens to kinetic energy when velocity is triple the original?**

When the velocity of the object is tripled, that is, new velocity is three times the original velocity, or v’ = 3v, the new kinetic energy would be K.E.’ = Thus, the new kinetic energy is 9 times the original kinetic energy. From this case, we can see that a small change in velocity can result in large changes in kinetic energy of the object.

## What is the relationship between kinetic energy and mass?

The kinetic energy of a body is related to its mass and velocity by the following relationship: where, m is mass of the body (or object) and v is its velocity. Hence the kinetic energy is directly proportional to the mass of body and square… Start your 48-hour free trial to unlock this answer and thousands more.

**What is the formula for calculating kinetic energy?**

The formula for calculating kinetic energy (KE) is KE = 0.5 x mv2. Here m stands for mass, the measure of how much matter is in an object, and v stands for velocity of the object, or the rate at which the object changes its position.