a bus was moving with a speed of 54 km/h .on applying breaks it stopped in 8 sec . calculate acceleration
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Initial velocity(u)=54 km/hr initial velocity in m/s=54*5/18 =15 m/s time(t)= 8 s final velocity = 0 m/s So,by applying equation of motion v=u+at 0=15 m/s + a*8s a= -15 m/s /8 s a= -1.875 m/s^2
mahakkukkar:
can it be approx. 1.85m/s square
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