a body starts from rest and acquires the velocity of 70 km/h in 5 minutes.Calculate the work done, if the mass of the body is 500kg.
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Answer:
Velocity = 70 km/h
In ms = 19.44 ms
Time =300 seconds
Displacement= 19.44×300
= 5832 m
Work done = 5832 × 300
= 2916000 J
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