The power of a machine measures
a. its rate of doing work.
b. its strength.
...
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Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?
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An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?
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Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?
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An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above
Answers: 3
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