Physics, 20.11.2020 06:50 janiyaf8941
A stone is dropped into a deep well and is heard to hit the water 15.53 s after being dropped.
a) Determine the depth of the well. Show your work.
b) How fast is the stone travelling right before it hits the water? Show your work.
C) Assume that the stone is being dropped on Planet X, where the magnitude of the acceleration due to gravity is greater than, less than or the same as on earth? Which one is it and why?
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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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A stone is dropped into a deep well and is heard to hit the water 15.53 s after being dropped.
a) D...
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