6)Find the initial velocity of a car which is stopped in 10 seconds by applying brakes. The retardation due to brakes is 2.5 m/s.(2) 7].
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Time is 10 seconds
Final velocity is 0
Retardation is -2.5
v=u+at
u=v-at
0- -2.5*10
25 m/s^-2
Final velocity is 0
Retardation is -2.5
v=u+at
u=v-at
0- -2.5*10
25 m/s^-2
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