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A closed, frictionless, piston-cylinder assembly contains 4 lbm of H20. Beginning with an initial volume of 10 ft^3, the H2O is compressed slowly until the volume has been reduced to 10 percent of the initial volume. During the process, heat transfer from the H2O occurs at such a rate as to keep the temperature constant at 300 degrees F.
determine the magnitude and direction of the work and the heat transfer during the process.
A mountaineer uses a global positioning system receiver to measure his displacement from base camp to the top of Mount McKinley, what is the displacement in going from base camp to the top
A bungee cord is stretched between two poles with a force of 390 N. What is the velocity of a wave on this bungee cord
Suppose a capacitor in a video camera has a capacitance of 26.0 ?F, and is currently holding 5.000e-5 C of charge. How much potential energy is stored in the capacitor
A ball of mass 0.25 kg is attached to a string 0.750 m long. The ball is swung in a pendulum-type motion such that it has a speed of 6.40 m/s, What is the corresponding tension in the string
The floor received most of the collision energy and the force of the ball on the floor is upwards.
A fire hose ejects a stream of water at an angle of 38.3 ° above the horizontal. The water leaves the nozzle with a speed of 29.5 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit t..
A small object is placed to the left of a convex lens and on the optical axis. compute the position of the image formed by the lens
A Ferris wheel rotating at 20 rad/s decelerates with a constantangular acceleration for -5.0 rad/s2. How many revolutions does it rotate before coming to rest
A box is placed on a conveyor belt that moves with a constant speed of 1.05. The coefficient of kinetic friction between box and belt is 0.80. How much time does it take for the box to stop sliding relative to belt.
A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 415 N walk on the overhanging part of the plank before it just ..
the flow rate of blood through a 2.10x10^-6 m radius capillary is 4.07x10^-9 cm^3/s. what is the speed of the blood flow
A 85.6-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 27.0kg, Find the maximum tension in the chain
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