Question

When brakes are applied to the bus the retardation produced is 25cm/s square . The bus takes 20 seconds to stop. Calculate initial velocity and the distance travelled by the bus

Answer 1

Answer:

Explanation:

v=u-at

0=u-0.25*20

-u=-5

so u=5m/s

s=ut-1/2*a*t*t=5*20-1/2*0.25*20*20=100-50=50metres

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