the kinetic energy of an object of mass in moving with a velocity of 5 MS -1 is 25j what will be its kinetic energy when its velocity is doubled what will be its kinetic energy when its velocity is increased three times. please answer fast I will mark

When the speed is doubled, K = 100 J, when the speed is tripled, K = 225 J

Explanation:

Kinetic Energy

Is the type of energy an object has due to its speed. It's proportional to the square of the speed.

The equation for the kinetic energy is:

Where:

m = mass of the object

v = speed at which the object moves

The kinetic energy is expressed in Joules (J)

The object has a kinetic energy of K=25 J when moving at v=5 m/s, thus the mass can be calculated by solving for m:

m = 2 Kg

If the speed is doubled, v=10 m/s, the new kinetic energy is:

K = 100 J

If the speed is tripled, v=15 m/s, the new kinetic energy is:

K = 225 J

When the speed is doubled, K = 100 J, when the speed is tripled, K = 225 J

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