2)You travels 18 km in 40 minutes by bus .Calculate the speed of the bus.
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1
speed = distance / time = 18/40 = 9/20
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18km = 18000 m (Conversion is done to get the answer in m/s as it is the SI unit of speed. )
40 minutes = 2400 seconds
Speed = Distance/ Time
Speed = 18000/2400
= 180/24
= 7.5m/s
Therefore, the speed of the bus is 7.5 m/s.
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