a runner in a race moves with a velocity of m/s in 3 second from start of race. If her mass was 50 kg what force must she axert to do so
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The man takes 40 sec to cover ( 4 * 10 ) 40 metres. This shows he covers one metre in one sec.
In 2 min 20 sec (140 sec) , he will cover a distance of 140 metres.
Thus he completes 14040 = 3.5 rounds in 2 min 20 sec.
Hence it is noticed that he will be at the opposite side from where he started.
In 2 min 20 sec (140 sec) , he will cover a distance of 140 metres.
Thus he completes 14040 = 3.5 rounds in 2 min 20 sec.
Hence it is noticed that he will be at the opposite side from where he started.
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