Question

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State whether the following statement is True or False :

Kinetic energy can be positive, negative or zero​

Answer 1

Explanation:

Kinetic energy can’t be negative, although the change in kinetic energy \Delta KΔKdelta, K can be negative. Because mass can’t be negative and the square of speed gives a non-negative number, kinetic energy can’t be negative. Either something is moving and has positive kinetic energy, or it is not moving and has zero kinetic energy. If the final speed is less than the initial speed, then the final kinetic energy is less than the initial kinetic energy and \Delta KΔKdelta, K is negative.

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