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Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?
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Name three different units of energy used to measure heat and describe what type of situations each is usually used.
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One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form
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A100-w light bulb converts electrical energy into heat and light at than a 25-w light bulb and it...
Mathematics, 20.07.2019 20:30
Physics, 20.07.2019 20:30