Physics, 06.05.2020 23:16 savage2015mj
James joule carefully measured the difference in temperature of the water at the top and bottom of a waterfall. Why did he expect a difference
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Physics, 22.06.2019 15:00
What happens when a rubber rod is rubbed with a piece of fur?
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Physics, 22.06.2019 16:30
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?
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Physics, 22.06.2019 17:30
Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance
Answers: 1
James joule carefully measured the difference in temperature of the water at the top and bottom of a...
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