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Physics, 31.07.2019 06:30 xxYingxYangxx7311
Is a car traveling at 39 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is its acceleration?
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Physics, 22.06.2019 13:40, youngbeauty17
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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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Is a car traveling at 39 m/s starts to decelerate steadily. it comes to a complete stop in 15 second...
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