A car is retarded by applying brakes at the rate of 2 metre per second it is finally stopped in 10 seconds find the initial velocity
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v=u+at
=>u=v-at
=>u=0-(-2)*10
=>u=0-(-20)
=>u=20
initial velocity= 20m/s
=>u=v-at
=>u=0-(-2)*10
=>u=0-(-20)
=>u=20
initial velocity= 20m/s
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