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Previous Page Next Page Page 7 of 8 Question 19 (5 points) A boy drops a 0.500 kg rock off of a 22.0 m high

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Previous Page Next Page Page 7 of 8 Question 19 (5 points) A boy drops a 0.500 kg rock off of a 22.0 m high bridge into a river below. (a) What is the initial potential energy of the rock? (b) What is the kinetic energy of the rock just before it hits the water? (c) What is the final speed of the rock just before it hits the water? Paragraph V BIUA Ev E + V

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