1.

a vehicle is accelerating on a straight road its velocity at any instant is 30 km/h, at 2 second it is 33.6 k/h and after further 2 sec it is 37.2 km/hr find the acceleration of the vehicle in meter per second square. Is the acceleration uniform.

Answer»

At t=0

v=30*(5/18)m/s

v=8.33 m/s

t=2

v1=33.6*(5/18) m/s

v1=9.33 m/s

t=4

v2=37.2*(5/18)

v2=10.33 m/s

Since the velocity is INCREASING 1m/s every 2 sec THEREFORE it is a uniform acceleration of 0.5 m/s^2

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