COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 11, Problem 29QAP
To determine
The total hydrostatic force on the Hoover Dam.
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3. Consider a 8-m-long, 8-m-wide, and 2-m-high aboveground swimming pool that is filled with
water to the rim. (a) Determine the hydrostatic force on each wall and the distance of the line of
action of this force from the ground. (b) If the height of the walls of the pool is doubled and the
pool is filled, will the hydrostatic force on each wall double or quadruple? Why?
QUESTION 16 The Koolaid Man and Mr. Clean both weigh 80kg. You decide to do hydrostatic weighing on them and calculate their body density. Mr. Clean has a density that is higher than The Koolaid Man. Who has a greater body fat percentage?
1. A typical house cat has a mass of 5.5 kg. Determine the pressure exerted by a singlecat’s paw, approximating each paw to have the area of a square 2.0 cm on a side (andit being a healthy cat with four paws!). Express your answer in pascals, and compareit to the thrusters of the Lunar Module that transported astronauts from the Moon (avalue of roughly 1.6 × 10^4 Pa).
2. Big Eye Tuna are well adapted to spending time at significant depths.∗ What is theabsolute (that is, not just gauge) pressure at a depth of 350. m below the ocean’ssurface? The density of salt water is 1025 kg/m^3
Chapter 11 Solutions
COLLEGE PHYSICS
Ch. 11 - Prob. 1QAPCh. 11 - Prob. 2QAPCh. 11 - Prob. 3QAPCh. 11 - Prob. 4QAPCh. 11 - Prob. 5QAPCh. 11 - Prob. 6QAPCh. 11 - Prob. 7QAPCh. 11 - Prob. 8QAPCh. 11 - Prob. 9QAPCh. 11 - Prob. 10QAP
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- Calculate the pressure due to the ocean at the bottom of the Marianas Trench near the Philippines, given its depth is 11.0 km and assuming the density of sea water is constant all the way down. (b) Calculate the percent decrease in volume of sea water due to such a pressure, assuming its bulk modulus is the same as water and is constant. (c) What would be the percent increase in its density? Is the assumption of constant density valid? Will the actual pressure be greater or smaller than that calculated under this assumption?arrow_forward1. Find the centroid of the region bounded by y = sin x, y = cos x, x = 0,and x = π/4. 2. A cube with 20 cm-long-sides is sitting on the bottom of an aquariumin which the water is 1 meter deep. Find the hydrostatic force on the top and on one of the vertical sides of the cube.arrow_forwardAn aquarium 5 ft long, 3 ft wide, and 3 ft deep is full of water. (Recall that the weight density of water is 62.5 lb/ft".) (a) Find the hydrostatic pressure on the bottom of the aquarium. Ib/ft2 (b) Find the hydrostatic force on the bottom of the aquarium. Ib (c) Find the hydrostatic force on one end of the aquarium. Ibarrow_forward
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- The antiseptics used for cuts and wounds in human flesh have low surface tension. Explain.arrow_forwardThe circular porthole on a boat is 5 cm in radius and 1.3 m below the surface of a freshwater lake. a) how much pressure does it feel? b) how much force does it feel?arrow_forwardQuestion 9 How much total pressure is exerted on a submarine at a depth of 9.3 km in the Pacific Ocean (sea water 1025 kg/m³)? 9.36 x 10^7 Pa O 7.46 x 10^7 Pa O 4.41 x 10^7 Pa O 9.96 x 10^^7 Paarrow_forward
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