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quiz13 - mgh b If the mass is released what is the velocity...

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03/07/08 Physics 201 Quiz 13 A mass M is connected via 2 initially horizontal strings of length l 0 and spring constant k to two walls 2 l 0 apart. The mass is lifted to a height y = h 0 such that mgh 0 = k(l-l 0 ) ^2. a) What is the potential energy of the system? Give your answer in terms of
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Unformatted text preview: mgh . b) If the mass is released, what is the velocity when the springs are once again horizontal? c) What will the potential energy be when the mass reaches its lowest point y=-h 1 ? d) Find the new potential energy of the springs...
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