a tortise moves a distance of 100 m in 15 min find it speed km/h
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15min=15×60= 900seconds
So speed=Distance/time
=100/900=1/9m/s
So (1/9)×(18/5)= 2/5=0.4km/h
So speed=Distance/time
=100/900=1/9m/s
So (1/9)×(18/5)= 2/5=0.4km/h
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