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Physics basketball of mass 0.44 kg was dropped vertically from rest at A, 12 m from the ground as seen in Figure 2. Calculate the

(i) gravitational potential energy of the ball at the point of release, A. (3 marks)

(ii) final velocity of the ball on reaching the ground 1.56 seconds later (assume no loss of energy as the ball falls). (3 marks)

(iii) ball’s momentum when it hits the ground. [Acceleration due to gravity, g, = 9.8 m s–2] (2 marks)


lydia 2023-02-27 23:22:46

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