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A train travels at an average speed of 15 m/s.

a) Express its average speed in km/h

b) Find the time in sec taken by the train to travel 750m

3 answers

15 m/s * 1km/1000m * 3600s/hr = 15*3600/1000 km/hr

750m * 1s/15m = 750/15 s

as alam alikum

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