P2207_fall10_lecture17 - A block of mass m is released from...

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Today: Conservative forces Potential energy Mechanical energy Loop-the-loop
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Which of the following forces are conservative forces? A. Gravity B. Spring force C. Friction D. two of the above E. three of the above
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Unformatted text preview: A block of mass m is released from the top of the frictionless track shown. What is its speed v at the top of the loop-the-loop? R h v = ? A. 2gh B. (2gR) 1/2 C. [2g(h-R)] 1/2 D. [2g(h-2R)] 1/2...
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This note was uploaded on 12/18/2011 for the course PHYS 2207 at Cornell University (Engineering School).

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P2207_fall10_lecture17 - A block of mass m is released from...

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