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A driver drives at a speed of 72kmph in a highway. Another
driver drives at the speed of 25 m/sec . find the
difference in their speeds in m/sec. ?
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Answer Posted / hari
FIRSTLY CONVERT 72KMPH INTO MPS ie 72*5/18 gives 20mps
speed of 2n dis 25mps
if moving in same dir then v1-v2 =5mps
if moving in opp dir then v1+v1 =45mps
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