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Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
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Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
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Physics, 22.06.2019 21:30
Which of the following best describes the circuit shown below?
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While skiing , Sam flies down hill and hits a jump. He has a mass of 75 kg. And he leaves the jump a...
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