when brakes are applied to a bus, the retardation produced is 25m/s^2and the bus takes 20 sec to stop. calculate the initial velocity of bus .the distance traveled by bus during this time
when brakes are applied to a bus, the retardation produced is 25m/s^2and the bus takes 20 sec to stop. calculate the initial velocity of bus .the distance traveled by bus during this time
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v=0
a=-25m/s2
t=20s
v=u+at
O=u+-25*20
-u=-500
u=500
thus initial velocity of the bus is 500m per second