Physics, 14.07.2021 19:20 chrisd2038
13.Suppose a ball of mass m is thrown vertically upward with an initial speed v, its speed decreases continuously till it becomes zero. Thereafter, the ball begins to fall downward and attains the speed u again before striking the ground. It implies that the magnitude of initial and final momentums of the ball are same. Yet, it is not an example of conservation of momentum. Explain why?
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13.Suppose a ball of mass m is thrown vertically upward with an initial speed v, its speed decreases...
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