what is work done to increase the velocity of a car from 30km/h to 60km/h
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Answer:
work= change in kinetic energy
Step-by-step explanation:
= 0.5 m (v²-u²)
= 0.5×1500 kg ×[(60×5/18m/s)²-(30×5/18m/s)²]
=156250joules
=156.25kj
Work done is 156.25kj
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