3-11 A vertical plate is submerged (or partially submerged) in water and has the indicated shape. Explain how to approximate the hydrostatic force against one side of the plate by a Riemann sum. Then express the force as an integral and evaluate it. 3. 2 ft 4 ft 3 ft 4 ft 6 ft 5. 6 m 1m 5 m 4 m 7. -2 m- 8. 4 m Im 2 m 2 m 2 m

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