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Chuck is playing in a small submarine in his swimming pool. He dives his submarine to the bottom of the pool in the shallow end. There the escape hatch of his submarine is horizontal and at a depth of 1 m below the surface of the water. Assuming that the air is at a pressure of 1 atmosphere at the surface of the water, what is the water pressure on the escape hatch 1 m below the surface of the water?
The air in the interior of the submarine is at 1 atmosphere pressure. Chuck tries to push the hatch open. Assume the hatch has a negligible mass and an area of 0.45 m2. How much force must Chuck apply to push the hatch open?
A 20 cm long organ pipe is filled with air and is open at one end and closed at the other. The velocity of sound in air at 0°C is 331 m/s. What is the wavelength of the fundamental frequency
A 0.21-kg pinecone falls 10 m to the ground, where it lands with a speed of 12 m/s. How much work was done on the pine cone by air resistance
A 1-cm-thick layer of water stands on a horizontal slab of glass. What is the maximum angle of incidence for which the light ray can emerge into the air above the water
A particular atomic energy state is characterized by a principle quantum number n = 4. How many orbital subshells are possible
An elevator can lift a 107 N aircraft a distance of 26 meters in 11 s. What is the power output of the elevator
In deep space two spheres each of radius 5.00 m are connected by a 3.00 x 10^2 m nonconducting cord. If a uniformly distributed charge of 35.0 mC resides on the surface of each sphere, calculate the tension in the cord.
A person ca throw a 1.00 Kg stone at a speed of 15.0 m/s. He moves his hand forward 0.75 m while doing so. How much work does the person do on the rock
The speed of sound in air is 332 m/s at 0°C. It increased 0.60 m/s for each degree above zero. compute the speed of sound at the temperature of the room.
A 0.25 kg block attached to a spring of spring constant 36.5 N/m is oscillating on a horizontal frictionless surface as shown. What is the amplitude of the motion of the block
The Dyson sphere is an hypothetical spherical structure centered around a star. Inspired by a science fiction story, What is the net gravitational force Fin on a unit mass located on the inner surface of the Dyson sphere described in Part A
A pyramid has a square base and four faces which are equilateral triangles. A charge Q is placed on the center of the base of the pyramid, What is the net flux of electric field
On average, an electric water heater operates for 1.2 h each day. It has a power requirement of 4500 W, What is the resistance of a typical water heater
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