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Problem: An 84.9-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 25.2kg. (Use 9.80m/s2 for the gravitational acceleration at the earth's surface.)
Part A: What is the tension at a point three-fourths of the way up from the bottom of the chain?
I need help to find the tension at a point three-fourths of the way up from the bottom of the chain.
A ball is dropped from the top of a 46.0m -high cliff. At the same time, a carefully aimed stone is thrown straight up from the bottom of the cliff with a speed of 26.0m/s. How far above the base of the cliff does this happen
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The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. find the approximate number of capillaries in the human body
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