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minutes. Find its acceleration.A body start from rest and attains a velocity of 12 mps is in 30 second if the final velocity becon8 mps, What will the de-acceleration after 5 seconds?15ahanges from the following:

Answer»

Given,Initial velocity, u=12m/sFinal velocity, v=8m/stime,. t= 5 slet deceleration be aWe know, the first equation of motion is v=u+at =>8=12+a*5 =>-4=5a =>a=-4/5 m/s^2= -0.8 m/s^2So deceleration is 0.8m/s^2



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