A body starting from rest and moves with uniform acceleration. The velocities of the body are 40 m/s at the 4th second and 60 m/s at 8th second.
a) Calculate the acceleration of the body?
b) What will be its velocity after two seconds?
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u is 40m/s and v=60m/s
time is 4s
therefore acceleration =60-40/4
b)next 2 sec=70m/s