a body covers a distance of 9m with speed 1.5 km per hr. calculate the time taken by the body
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given distance =9
speed =1.5km/h change into its si unit which is m/sec
so 1.5×5/18=5/12
now we know that time =distance / speed
so 9/5/12
9*12/5=21.6s
speed =1.5km/h change into its si unit which is m/sec
so 1.5×5/18=5/12
now we know that time =distance / speed
so 9/5/12
9*12/5=21.6s
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