what is kinetic energy?
Asked by | 16th Jun, 2008, 03:49: PM
The kinetic energy of an object is the extra energy which it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its current velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. Negative work of the same magnitude would be required to return the body to a state of rest from that velocity.
Answered by | 21st Jun, 2008, 02:54: PM
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