A car of mass 2000kg is moving with a velocity of 18kg/h. Work done to stop thos car is
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Answer:
u= 18km/hr = 18×5/18 = 5m/s
work done = change in kinetic energy
=(1/2) m(v²-u²).
= (1/2)×2000 ×5×5
=25000j
Explanation:
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