raju ran 500 metres in 100 seconds.find her speed in km per hour
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1
speed in m/sec=500/100=5m/sec
speed in km/hr=5*18/5=18km/hr
thnx
speed in km/hr=5*18/5=18km/hr
thnx
Answered by
0
500m=100seconds
[(500×60×60)/1000]km=(100×60×60)s
(50×36)km=(360000)s
1800km = (3600)s×100
18km×100 = (3600)s×100
18km=3600seconds or 1 hour
18km per hour
[(500×60×60)/1000]km=(100×60×60)s
(50×36)km=(360000)s
1800km = (3600)s×100
18km×100 = (3600)s×100
18km=3600seconds or 1 hour
18km per hour
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