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Multi-stage rockets require more force to keep the rocket moving.
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11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?
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A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
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How many atoms of nitrogen are in the chemical formula ni(w on
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Multi-stage rockets require more force to keep the rocket moving....
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