A Horse exerts a pull on a cart of 500 Newton so that the horse cart system moves with uniform velocity of 36Km/hr.What is the power.(Time =746 sec )
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Answer:
Power = 5000 watt
Explanation:
work done = force × displacement × cos theta
dW = dF × dS
dW ÷ dT = dF ×(dS/dT)
Power = force × velocity
velocity = 36Km/hr = 36 × 5/18m/s = 10m/s
power = 500 × 10 = 5000Watt.
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