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If the car traveled a total of 1,200 meters during this test, what was the average speed of the car?
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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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Area around a charged object where the objects can exert a force on another charged objects is an electric
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What was the approximate temperature of the universe at an age of 1015 s?
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If the car traveled a total of 1,200 meters during this test, what was the average speed of the car?...
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