A bus running at a speed of 18km /hr is stopped in 2.5 by applying brakes .calculate the retardation produced
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Initial speed of bus = 18 km/h i.e 5m/s time taken by bus to stop after applying brakes = 2.5s
final speed of bus = 0(because it stops) so by newtons first equation
v = u + at
0 = 5 + a(2.5)
a = -2m/s²
The Retardation answer will be 2 m/s^2
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