a train is moving at a constant speed of 75 km/hr.draw a distance time graph.
a)how far will it travel in 3 hr and 20 min.
b)find the time required to cover a distance of 187.5km.
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a) As distance=speed×time
=75× 20/60km
= 75/3
=25km
b) Time= distance/speed
= 250 /75hr
= 10/3 hr= 10/3 ×60min
=200min.
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