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What are similarities and differences between refraction, reflection, diffraction and absorption?
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Physics, 22.06.2019 08:40, kayleewoodard
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
Answers: 1
The mass of Earth is 5.972×1024 kg and its orbital radius is an average of 1.496×1011 m . Calculate...
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