chap8 - 1 Conservation of Energy Isolated vs Nonisolated...

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Unformatted text preview: 1 Conservation of Energy Isolated vs. Nonisolated Systems 2 A block slides over a horizontal surface with friction. If the system is the block, this system is: N o n- is o l a t e d I s o l a t e d N o t e n o u g h i n f o r m a t i. . 173 5 47 1. Non-isolated 2. Isolated 3. Not enough information to tell A block slides over a horizontal surface with friction. If the system is the block+plane, this system is: N o n- is o l a t e d I s o l a t e d N o t e n o u g h i n f o r m a t i. . 13 12 204 1. Non-isolated 2. Isolated 3. Not enough information to tell 3 Energy Transfer into a System The Isolated System: Conservation of Mechanical Energy • Mechanical energy if conserved in an isolated system given that no non-conservative forces are acting. 4 A rock of mass m is dropped from height h. A second rock, with mass 2m, is also dropped from h. When the second rock hits the ground, what is its kinetic energy?...
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This note was uploaded on 09/25/2011 for the course PHYS 131 taught by Professor Bennewitz during the Spring '07 term at McGill.

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chap8 - 1 Conservation of Energy Isolated vs Nonisolated...

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