A body of mass 5 kg is projected with an initial velocity of 10ms' along a rough horizontal table .The work done on the body by the frictional forces before it is brought to rest is?
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A person measures the time period of 50 oscillations of a simple pendulum 5 times. The data set is 46 s, 44.5 s, 47.5 s, 45 s and 47 s. If least count of the measuring clock is 0.5 s, then the reported time period should beA simple pendulum makes 20 oscillations in 20 sec. What is the time period and frequency of its oscillations
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A person measures the time period of 50 oscillations of a simple pendulum 5 times. The data set is 46 s, 44.5 s, 47.5 s, 45 s and 47 s. If least count of the measuring clock is 0.5 s, then the reported time period should beA simple pendulum makes 20 oscillations in 20 sec. What is the time period and frequency of its oscillations
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