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A train covers 300 km in 5 hours. What is its speed in m/s?
16.67┬аm/s
15.55┬аm/s
18.33┬аm/s
20.00┬аm/s
16.67┬аm/s
Directly convert speed in km/h to m/s by multiplying by 185тАЛ.
Distance d = 300 km, Time t = 5 hours
Speed=TimeDistanceтАЛ├Ч185тАЛ
Directly convert speed in km/h to m/s by multiplying by 185тАЛ.
Forgetting the 185тАЛ conversion factor and leaving the answer in km/h.
Calculate Speed in km/h
Find the speed in kilometers per hour using the basic speed formula Speed=TimeDistanceтАЛ.
Speed=5300тАЛ=60┬аkm/h
Convert to m/s
Multiply the speed by the standard conversion factor 185тАЛ to convert from km/h to m/s.
60├Ч185тАЛ=18300тАЛтЙИ16.67┬аm/s
A is correct because a speed of 60 km/h converts to 16.67 m/s.
Unit conversions are essential shortcuts in time, speed, and distance problems, especially for train-crossing scenarios.
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