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Draw a force-displacement graph in figure 3 showing the work input and the work output for the same box if the books are lifted by a pulley system with an IMA of 2.
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How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit
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Which are causes of mechanical weathering? (check all that apply) a. acid rain b. plant growth c. animal actions d. carbon dioxide e. pressure release i chose b & e and got the question wrong.
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Draw a force-displacement graph in figure 3 showing the work input and the work output for the same...
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