Question

A bus is moving with the uniform speed of 54kmh. 0n applying leakes the speed deerende te 9 kmh in 3 sec. of the mass of bous is 1500 kg Calculate tthe force.​

Answer 1

Explanation:

u = 54km/hr

= 15m/s

v = 9km/hr

= 2.5m/s

t= 3 sec

a = v-u/t

=2.5-15/3

= -4.16m/s2

therefore F = -4.16×1500

= -6240

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