Physics, 27.07.2021 20:50 kadinmorgan
2) A four-legged wooden bar stool made out of solid Douglas fir (the Young's modulus is 1.0×1010N/m2) has legs that are 4.0 cm in diameter. When an 80 kg man sits on the stool, how much does the length of each of the legs decrease if the are 90 cm long? (Assume, for simplicity, that the stool's legs are vertical and that each bears the same load.)
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2) A four-legged wooden bar stool made out of solid Douglas fir (the Young's modulus is 1.0×1010N/m2...
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