1. Llyn Cau in Snowdonia, Wales, is a 35.0-m deep glacial lake popular among outdoor swimmers. (a) Calculate the absolute pressure at the bottom of Llyn Cau. Assume the water density is 1.00 x 10° kg/m and the ambient air pressure is 9.10 x 10* Pa. (b) An underwater vehicle rests on the bottom of the lake. Find the force exerted by the water on the vehicle's circular, 25.0-cm diameter window 2. Piston 1 in (see the figure below) has a diameter of 0.25 in,; piston 2 has a diameter of 1.5 in. In the absence of friction, determine the force F (in Newton) necessary to support the 500 lb weight " 4.45 N = 1 Ibf (weight) S00 lb 20 in 3A table-tennis ball has a diameter of 0.015 m and average density of 60 . a. Will it float or sink? Why? (Max of 3 sentences) b. Based from your answer on letter a, what force is required to hold it completely submerged under water? (table- tennis ball is a sphere, density of water 997 kg/m')
1. Llyn Cau in Snowdonia, Wales, is a 35.0-m deep glacial lake popular among outdoor swimmers. (a) Calculate the absolute pressure at the bottom of Llyn Cau. Assume the water density is 1.00 x 10° kg/m and the ambient air pressure is 9.10 x 10* Pa. (b) An underwater vehicle rests on the bottom of the lake. Find the force exerted by the water on the vehicle's circular, 25.0-cm diameter window 2. Piston 1 in (see the figure below) has a diameter of 0.25 in,; piston 2 has a diameter of 1.5 in. In the absence of friction, determine the force F (in Newton) necessary to support the 500 lb weight " 4.45 N = 1 Ibf (weight) S00 lb 20 in 3A table-tennis ball has a diameter of 0.015 m and average density of 60 . a. Will it float or sink? Why? (Max of 3 sentences) b. Based from your answer on letter a, what force is required to hold it completely submerged under water? (table- tennis ball is a sphere, density of water 997 kg/m')
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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