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Thermodynamics Consultation Problems
A tank is connected to a pipe by a valve. The tank has a volume of 1m3, and it initially contains air at 150kPa and 27°C. The air in the pipe has a pressure of 750kPa and a temperature of 27°C. The tank is uninsulated. The valve is opened and lft open until the tank reaches pressure equilibrium with the air in the pipe and the air in the tank reaches 27°C.
Determine the mass of the air that has entered the tank and the heat transfer during the process, assuming that the air enters the tank with negligible velocity.
A 41 kg ice skater is moving at 4.73 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. Find the force exerted by the rope on her arms
A man pulls a toboggan for a distance of 50.0 meter along the snow with a rope directed 30.0 degree above the snow. Find how much work is done on the toboggan by the tension force
A gymnast of mass 60kg hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 for the acceleration of gravity.
What is the maximum angular speed reached by the flywheel? Determine the ratio of the number of revolutions made during spin-up to the number made during spin-down.
A 3.00 kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 2.20 m/s2, find out the force exerted by the rope on bucket of water.
A coin placed on a turntable rotating at 36.3 rev/min will stay there if its center is placed no further than 10.0 cm from the axis of rotation. What is the maximum distance the center of the coin can be placed from the axis if the turntable rotates ..
A 6.00 kg mass is located at (2.00m, 2.00m, 2.00m) and a 5.00 kg mass is located at (-1.00m, 3.00m, -2.00 m). find the moment of inertia of this system
A train is traveling due west with a velocity of 101.2 mph and then makes a turn to the northwest with a velocity of 95 mph
White light is incident normally on a thin soap film having an index of refraction of 1.34. What is the thickness of the soap film
A beam of unpolarized light shines on a stack of five ideal polarizers, Find the angle between the axes of each pair of adjacent polarizers
The moment of inertia of a sphere (rotating about a diameter( is given as I (sphere)=2/5MR^2 and the moment of inertia of a disk (rotating about its center) is given as I (disk)=1/2MR^2. which will reach the bottom first
Scott, riding for the Mercury team, won the 2002 Mt. Rushmore Hill Climb bicycle race with a winning time of 1 hour 50 minutes 20 seconds. The race is 28 miles in length with a total altitude gain of 7000ft. Scott weighs in at 130 lbs and his hill..
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