Physics, 07.04.2021 23:10 dontworry48
A short tennis player hits a ball that is r meters from their elbow with an angular acceleration a. A tall tennis player hits a ball with the same angular acceleration where the ball is 2r from their elbow. How does the tangential acceleration of the short player's ball Ashort compare with the tall player's ball atall?β
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Write the equation for momentum, first using symbols for the variables, then using words for the variables.
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Free runners jump long distances and land on the ground or a wall. how do they apply newtonβs second law to lessen the force of impact?
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Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
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