An car moving with a velocity 54 km h on a straight road stops on applying brakes after covering a distance of 20 m. compute the acceleration of the car
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v2 - u2 = 2as
so, 02-152 = 2a*20 ( 54km/h = 54*5/18m/s)
0-225 = 2a*20
-225/40 = a
= a= -5.625m/s2
so, 02-152 = 2a*20 ( 54km/h = 54*5/18m/s)
0-225 = 2a*20
-225/40 = a
= a= -5.625m/s2
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