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Sketch a PV diagram and find the work done by the gas during the following stages. (Draw the PV diagram on paper. Your instructor may ask you to turn in this work.)
(a) A gas is expanded from a volume of 1.0 L to 2.5 L at a constant pressure of 2.8 atm.
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(b) The gas is then cooled at constant volume until the pressure falls to 1.9 atm.
(c) The gas is then compressed at a constant pressure of 1.9 atm from a volume of 2.5 L to 1.0 L. (Note: Be careful of signs.)
(d) The gas is heated until its pressure increases from 1.9 atm to 2.8 atm at a constant volume.
(e) Find the net work done during the complete cycle.
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 46 dB by an observer 10 km away. What is the average power generated by the horn
A spring with spring constant 14 hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 3.0 and released. The ball makes 17 oscillations in 16 seconds. What is it the mass of ball.
A 1.0cm * 1.0cm parallel-plate capacitor has a 2.0mm spacing. The electric field strength inside the capacitor is 1.3*10^5 V/m, What is the potential difference across the capacitor
What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 21 km/h
The experiment done in lab is repeated, using a ball that has unknown mass m. You plot your data in the form of f?2 versus M/L, calculate the mass m of the ball
find the time rocket reaches the peak height of trajectory.
The aluminum bomb has a mass of 0.725 kg and is placed in 2.6kg of water contained in an aluminum calorimeter cup of mass 0.624 kg. The initial temperature of the mixture is 15°C, and its temperature after ignition is 53.5°C.
An 9.00 {rm kg} point mass and a 15{rm kg} point mass are held in place 50{rm cm} apart. A particle of mass m is released from a point between the two masses 19{rm cm} from the 9{rm kg} mass along line connecting the two fixed masses.
A circular wire loop whose radius is 19.0 cm carries current of 2.30 A. It is placed so that the normal to its plane makes an angle of 29.0° with a uniform magnetic field of 11.0 T. Calculate the magnetic dipole moment of the loop.
Demonstrating the low melting point of Gallium metal (29.8°C), an instructor removes a 1.00 kg sample of the metal from a container at room temperature (20.0°C) and places it onto the palm of his hand.
A 50.0 g copper calorimeter contains 200 g of water at 20.0°C. How much steam must be condensed into the water if the final temperature of the system
A resistor is in the shape of a cube, with each side of resistance R . Find the equivalent resistance between any two of its adjacent corners.
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