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The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.
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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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Physics, 23.06.2019 04:00
Robin is swinging back and forth from a trapeze. in which of the following situations is his kinetic energy being transformed into potential energy
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When can you get more potential energy of a bag? *...
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