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Physics, 23.07.2019 21:30 BrownBeauty4623
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 3.60 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 .
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An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. bu...
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