A truck starts from rest and rolls down a hill with a constant acceler – InterviewSolution

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1.	A truck starts from rest and rolls down a hill with a constant acceleration. It travels a distance of 400m in 20s. Find its acceleration. Find the force acting on if its mass is 7 metric tonnes (Hint :- 1 metric tonne = 1000kg).
Answer» using s=ut+ 1 /2at^2400= 0× 20+ 1/2a 400400=200aa =2 m s-2force= m af= 7000× 2F= 14000N

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