1. What is the pressure on the haul of a submarine submerged to 400 m into the sea? 2. 20 kg weight is pushed up 1m with the force f_ext=mg. What is the work done?

Q: At 1,500 m below the surface of the sea the pressure is 1.51 x 107 Pa (note that ).  If the volume…

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Q: Two identical cylindrical vessels with their bases at the same level each contain a liquid of…

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Q: Hoover Dam on the Colorado River is the highest dam in the United States at 221m, with a power…

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Q: A vertical plate is isolated from its support by two rubber blocks which each have dimensions a =…

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Q: In order to keep a leaking ship from sinking, it is necessary to use 117.6 N of force to pump 12 kg…

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Q: 3. Find the work required to pump water over the top of a cylindrical barrel if the barrel is 3 feet…

A: Write the equation for work as below. W=mgh Here, W is work, m is mass, g is acceleration due to…

Q: Hoover Dam on the Colorado River is the highest dam in the United States at 221 m, with an output of…

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Q: At a bottled water plant, water with a density of 1.00 g/ml passes through a pumping station where…

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Q: Create a bucket by rotating around the y axis the curve y = 2ln(x-3) from y = 0 to y = 6. If this…

A: Given,  y= 2ln (x-3)  Density = 840 kg/m3 Height = 2m We need to calculate,  Work =?

Q: Steel ball with radius of 0.09 m lays on a bottom of the lake 5 m deep. What work is needed to lift…

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Q: Steel ball with radius of 0.11 m lays on a bottom of the lake 4 m deep. What work is needed to lift…

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Q: Water is pumped steadily out of a flooded basement at a speed of 5.7 m/s through a uniform hose of…

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Q: A circular swimming pool has a diameter of 16 m. The circular side of the pool is 3 m high, and the…

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Q: Two streams merge to form a river. One stream has a width of 8.7 m, depth of 3.7 m, and current…

A: Given: w1=8.7m, d1=3.7m, v1=2.1m/s, w2=6.4m, d2=3.1m, v2=2.6m/s, w=11.7m, v=2.8m/s The rate of…

Q: 8. A water tank has the shape of a box that is 3 m wide, 2 m long and 4 m high. If the tank is full,…

A: Given : l=3 m b=2 m h=4 m We have to find the work done to pump the water to the level of the top of…

Q: A circular swimming pool with diameter 20 m and sides 3 m high is filled with water to a depth of 3…

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Q: work is required to pump all the water over the top of the tank

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Q: A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 m/s2…

A: Step 1:Step 2:Step 3:

Q: An aquarium 9 m long, 1 m wide, and 1 m deep is half-filled with water. Find the work needed to pump…

A: Given: Length of aquarium (l) = 9 m. Width of aquarium (w) = 1 m. Height of aquarium (h) = 1 m.…

Q: Steel ball with radius of 0.09 m lays on a bottom of the lake 5 m deep. What work is needed to lift…

A: Apply the Archimedes principle, and solve for the mass of the ball.

Q: Steel ball with radius of 0.11 m lays on a bottom of the lake 4 m deep. What work is needed to lift…

A: Given: The radius of the ball is 0.11 m. The depth of the lake is 4 m. The density of the steel is…