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It will be 8000 joules. ( if the velocity of a car has been doubled, the KE will be quadrupled. Because the KE is directly proportional to the velocity squared.)

KE= 1/2 m v2

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15y ago

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If the of an object doubles Its kinetic energy doubles?

If the speed of an object doubles, its kinetic energy quadruples. This is because velocity is squared in the formula for kinetic energy.


What units are kinetic energy measured in?

To measure kinetic energy:Let us suppose an object of mass m moving wtih velocity vKinetic Energy of that object= mv2/2


What happens to an object's kinetic energy when its speed doubles?

When an object's speed doubles, its kinetic energy increases by a factor of four. This relationship is due to the kinetic energy equation, which is proportional to the square of the velocity. Therefore, the object will have four times more kinetic energy when its speed doubles.


What is the kinetic energy of an object that has a mass of 20 kg and a speed of 2.8m per second?

The object's kinetic energy is 78.4 joules.


If the speed of a player doubles his kinetic energy will?

quadruple. Kinetic energy is directly proportional to the square of the velocity, so if the speed doubles, the kinetic energy will increase by a factor of 2^2 = 4.


If the speed of an object doubles the kinetic energy of the object?

At twice the speed, the kinetic energy will be four times greater.


If the speed of a moving object doubles then what else doubles?

If the speed of a moving object doubles, the kinetic energy of the object also doubles. This is because kinetic energy is directly proportional to the square of the speed of an object (KE = 0.5 * m * v^2), so if the speed doubles, the kinetic energy will quadruple.


What is the scooter's kinetic energy when its speed doubles?

The scooter's kinetic energy will increase by a factor of 4 when its speed doubles. This is because kinetic energy is proportional to the square of the velocity (KE = 1/2 mv^2), so if the velocity is doubled, the kinetic energy is quadrupled.


How do you compare kinetic energies on things that move?

Kinetic energy = (1/2)*mass*(speed)^2 where, in metric units, mass is in kilograms, speed is in meters/second, and kinetic energy is in Joules. So, you need to know the mass and the speed of the things.


How the kinetic energy of an object changes when the speed of the object doubles?

Look at the formula for the kinetic energy of an object: KE = 1/2 M V2Did you notice that " V2 " ? That means the KE is proportional to the squareof the object's velocity.So if the object's speed doubles, its KE increases by (2)2 = a factor of 4.


What is an object's kinetic energy if air resistance is not a factor and weighs 0.6 kg and its potential energy is 27 joules?

The object's kinetic energy can't be determined from the given information. Kinetic energy = (1/2) (mass) (speed)2 The question gives the object's mass, but we need its speed too.


Explain how the kinetic energy of an object changes when the speed of the object doubles?

Kinetic energy is (1/2) (mass) (speed)2 .The only part of that formula we need in order to answer the question isthe (speed)2 part. It says that if you multiply the speed by 'K', then thekinetic energy gets multiplied by K2 .So if you double the speed, the kinetic energy is multiplied by (2)2 = 4 .