Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 4 - Work And Energy
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A car is being driven by a force of 2.5 1010 N. Travelling at a constant speed of 5 m/s, it takes 2 minutes to reach a certain place. Calculate the work done.
Answer:
Force, F = 2.5\times10^{10} N
Velocity, v = 5 m/s
Time, t = 2 minutes = 120 s
Distance, s = vt = 600m
Work done, W = Fs = 15\times10^{12} J
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