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A gas at 23°C and atmospheric pressure fills a cylinder. The gas is transferred to a new cylinder by four times the volume, after which the pressure is a quarter the original pressure. What is the new temperature of the gas?
A generator at one end of a very long string creates a wave
Two blocks (M1 = 2.75 kg and M2 = 6.49 kg) are in contact on a frictionless, horizontal tabletop. What is the contact force between the blocks
A mass of 150 g of hot coffee at 90.0 oC is poured into an insulated cup containing 220 g of ice initially at 0.0 oC. how much ice will remain
A truck can move up a road having a grade of 1.0-ft rise every 50-ft with a speed of 15 mi/h. how fast will the same truck move down the hill
A large disk with a radius of 20 cm has a string attached to its edge, which is hanging over a table with a 200 g mass attached to it. determine the moment of inertia of the disk
a helicopter is lifting two crates simultaneously. one crate with a mass of 148 kg is attached to the helicopter by
When a nerve cell depolarizes, charge is transferred across the cell membrane, changing the potential difference. For a typical nerve cell, 9.0 pC of charge flows in a time of 0.50ms . 1. What is the average current? Express your answer to two sig..
A disk released from the top of an inclined plane has a speed of 6.32 m/s at the bottom. How high is the upper end of the inclined plane
how fast the air flow over the upper surface of the wing. What is the coefficient of kinetic friction between the box and the floor.
a stick of mass m and length l spins with frequency w around an axis the stick makes an angle theta with the axis. one
A block of mass M is attached to a spring ofspring constant k and is moving with constant speed in a horizontalcircle on a frictionless table. You measure that the time it takesthe mass to make one complete circle is T seconds.
If an amount of heat equal to magnitude of the work done by friction is absorbed by the crate of fruit and the fruit reaches a uniform final temperature, what is its temperature change DeltaT.
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