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Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.
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Amira pulls a 3 pound wagon 4 feet. how much work has she done?
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Physics, 22.06.2019 11:30
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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Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
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One muscle in your body that is always at work pumping blood is the...
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