A car travelling at a speed of 10m/s stops in 4 sec. after the application of brakes.If we assume the retardation to be constant, then a)Draw a speed - time graph for the above information. b) Find the retardation. c) Find the distance travelled during this time.

A car travelling at a speed of 10m/s stops in 4 sec. after the applica

1.	A car travelling at a speed of 10m/s stops in 4 sec. after the application of brakes.If we assume the retardation to be constant, then a)Draw a speed - time graph for the above information. b) Find the retardation. c) Find the distance travelled during this time.
Answer» Initial SPEED = u = 10 m/s time duration to stop = t= 4 s Final speed = v = 0 ACCELERATION , magnitude = (v-u)/t a = -10/4 = - 2.5 m/s^2 Distance covered before HALTING s = u t + 1/2 a t^2 s = 10 * 4 - 1/2 * 2.5 * 4^2 m s = 20 m

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A car travelling at a speed of 10m/s stops in 4 sec. after the application of brakes.If we assume the retardation to be constant, then a)Draw a speed - time graph for the above information. b) Find the retardation. c) Find the distance travelled during this time.​

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A car travelling at a speed of 10m/s stops in 4 sec. after the application of brakes.If we assume the retardation to be constant, then a)Draw a speed - time graph for the above information. b) Find the retardation. c) Find the distance travelled during this time.