When a bus driver travelling at a speed of 20m/s applied brakes and brings the bus to rest in 20 seconds, then retardation will be
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In the given question u = 20m/sv = 0m/st = 10sand a = ?we know the formula v = u + at so putting the values we get 0 = 20 + a X 10 - 20 = 10 a - 2 = ... More
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