When the body is at rest, its K.E is:
Answers
Kinetic Energy, by definition, would be equal to zero if a body is truly at rest. However, one must bear in mind the inertial window one examines the body in. If, for example, one were to ask if a ball on a flat drive way had any amount of kinetic energy, then one must ask in relation to what?
If it were in relation to an observer standing next to the ball, then it would have zero kinetic energy, as the ball wouldn’t seem to be in any kind of motion. But wait, if the observer were to be in orbit around the Earth, then the ball would posses the same kinetic energy as the surface of the earth, rotating about its axis.
The simplest answer is that a body at rest has zero kinetic energy. For most physics examples, that will suffice.
Answer:
The simplest answer is that a body at rest has zero kinetic energy. For most physics examples, that will suffice.
Explanation:
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