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A trough 10 ft long and with ends in the term of semicircles of radius 3 ft. is lled with liquid weighing 60 lb'ftn3. To

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A trough 10 ft long and with ends in the term of semicircles of radius 3 ft. is lled with liquid weighing 60 lb'ftn3. To solve for the force acting against one end at the trough. the area element is used in the integrand. Putting the x axis along the ten of the semicircle. the depth of the rectangular element is _________ . 03-5: 0-3.! 0 3+5: Dy

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