Question

When the speed of an object doubles, does its kinetic energy double?

Answer 1

The change in the kinetic energy of theobject as the speed changes is proportional to the square of the factor by which the speed changes. For example if the speed of the objectbecomes double, its kinetic energychanges to four times the initial kinetic energy.

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Answer 2

Answer:

This equation reveals that the kinetic energy of an object is directly proportional to the square of its speed. That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four. For a threefold increase in speed, the kinetic energy will increase by a factor of nine.

Explanation: