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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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Abus travels 280km south along a straight path with an average velocity of 88km/h to the south. the bus stops for 24 min, then it travels 210 km south with an average velocity of 75 km/h to the south. how long does the total trip last?
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Physics, 23.06.2019 00:50
Which of the following is not an appropriate unit for acceleration? (kg/12 mihr? m/min/sec cm/30c?
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Given a force of 100N and an acceleration of 5 m/s2 , what is the mass?...
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