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My English is no good please type. Thank you. Question 4 (20 points): A ball rolls up an inclined plane. How much kinetic energy is

My English is no good please type. Thank you.

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Question 4 (20 points): A ball rolls up an inclined plane. How much kinetic energy is lost? How much PE is gained? Is mechanical energy conserved or not? Explain. Ball's mass = 2 kg Kinetic energy at the bottom = 120J Kinetic energy immediately after rolling up an inclined plane = 30 J

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