The velocity of a body of a mass 60kg reaches 15m/s from0mls in 12 seconds. Calculate the kinetic energy and power of the body.
Answers
Answered by
3
Answer:
The answer is 75kJ
Explanation:
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Answered by
4
Answer: 6750 J & 562.5 W
Explanation:
mass of the body ( m ) =60kg
velocity ( v ) = 15m/s
kinetic energy ( KE ) = ?
we have,
KE = 1/2 mv^2
= 1/2 * 60 * 15^2
= 6750 J
similarly,
power ( P ) = work done ( w )/ time ( t ) [ W = KE )
= KE/ T
= 6750/12
562.5 W
KE = 6750 J
P = 562.5 W
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