Physics, 20.08.2021 06:10 miguel454545
A boy of 30 kg is carrying a load of 20 kg to the top of a building of height 13m . Find his total work done . If he can do it in 20 second calculate the power developed by him .
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Several processes form metal ore. match each process to its description. volcanic activity weathering hydrothermal energy rocks break down as they interact with air and water. arrowright density differences and other factors cause metals to concentrate in igneous rocks. arrowright seawater heats up from contact with hot rock, and metals dissolve in it. the water rises and contacts cooler water, causing metal ores to settle on the ocean floor. arrowright
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The energy released by a nuclear fusion reaction is produced when
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If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
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A boy of 30 kg is carrying a load of 20 kg to the top of a building of height 13m . Find his total w...
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