EMS teadPartial will be given. To receive full credit you must show dearly: the solution er...

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Answer 1

Answer #1

- la UA = mg ha= 2x10 3 kg x 9.8 x tm = 1.96*10-2 J (b) K. ER = UA = 1.96 x 10-2 J P ( from conservation of mechanical Energy

Answer 2

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