Question

An object of mass 20 kg moves along a straight line on a smooth horizontal surface. A force F acts on the object in its direction of motion.A graph of force against time is shown here. What is the velocity of the object at t=8s if its velocity at t=5s is 4 m/s? options are a) 3.5 m/s b)4.9 m/s c)6.3m./s d)0.9 m/s​

Answer 1

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