an automoblie moving at a speed of 72 km/h is brought to rest in 2 second by application of brakes. how much distance does the automoblie covers in these 2 seconds
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u=20m/s on converting km/h
V=0
a=u/t
=10m/s^2
Distance cover=ut-1/2at^2
=(40-20)m
=20m
V=0
a=u/t
=10m/s^2
Distance cover=ut-1/2at^2
=(40-20)m
=20m
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