A car moving with a speed of 20 m/s can be stopped by applying brakes , after travelling a distance of 2m.What is the retardation of the car?
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Let retardation be - a.
Since v ^2 = u^2 + 2*-as
Given v = 0,u = 20 and s = 2.
0^2 = 20^2 +2*2*a
0 = 400 + 4a
-4a = 400
-a = 400/4
a =- 100ms^-2
So retardation = 100ms^-2.
Hope it's helpful to u.
Since v ^2 = u^2 + 2*-as
Given v = 0,u = 20 and s = 2.
0^2 = 20^2 +2*2*a
0 = 400 + 4a
-4a = 400
-a = 400/4
a =- 100ms^-2
So retardation = 100ms^-2.
Hope it's helpful to u.
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