state two diffrences between power and energy and define kinetic energy and give example of a body possessing kinetic energy ?
Answers
Answer:
1.
energy is the total amount of work done, and power is how fast you can do it. In other words, power is energy per unit of time. Power is watts. Energy is watt-hours.
2.
In physics, the kinetic energy (KE) of an object is the energy that 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 stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes.
3.
An airplane has a large amount of kinetic energy in flight due to its large mass and fast velocity. 2. A baseball thrown by a pitcher, although having a small mass, can have a large amount of kinetic energy due to its fast velocity
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