A bus moving along a straight road with speed of 72 km/h is brought to rest within a distance of 50 m. how long does it take for the bus to stop.
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here,
speed=72km/h=72×5÷18m/s=20m/s
distance=50m
time=distance÷speed
=50÷20
=2.5 seconds (ANS.)
speed=72km/h=72×5÷18m/s=20m/s
distance=50m
time=distance÷speed
=50÷20
=2.5 seconds (ANS.)
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