A 2-kg ball is thrown upward with an initial velocity of 10 m/s from the roof of a 40- m tall building. Just before the ball hits the ground, determine its Kinetic Energy, and its speed
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Suppose you throw a 0.0520 -kg ball with a speed of $10.0 \mathrm{~m} / \mathrm{s}$ and at an angle of $30.0^{\circ}$ above the horizontal from a building $12.0 \mathrm{~m}$ high. a) What will be its kinetic energy when it hits the ground? b) What will be its speed when it hits the ground?
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Nishant K.
Suppose you throw a 0.052 -kg ball with a speed of $10.0 \mathrm{~m} / \mathrm{s}$ and at an angle of $30.0^{\circ}$ above the horizontal from a building $12.0 \mathrm{~m}$ high. a) What will be its kinetic energy when it hits the ground? b) What will be its speed when it hits the ground?
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