QB5-WORK, ENERGY AND POWER A ball of mass 2.2 kg is raised 8 m above the ground and released. (1) Find the velocity of t
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QB5-WORK, ENERGY AND POWER A ball of mass 2.2 kg is raised 8 m above the ground and released. (1) Find the velocity of t
QB5-WORK, ENERGY AND POWER A ball of mass 2.2 kg is raised 8 m above the ground and released. (1) Find the velocity of the ball when it hits the ground. (ii) Find the height of the ball above the ground when its gravitational potential energy is equals to kinetic energy
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