Physics, 27.07.2021 01:00 alyssabond5219
Suppose a chain that is 20 m long hangs over the side of a building. Find the work required to lift the chain to the top of the building if the chain has a linear density of 5 kg/m. against gravity
Answers: 1
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When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical
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Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of
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Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
Answers: 1
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