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In a Carnot cycle, the isothermal expansion of an ideal gas takes place at 400K and the isothermal compression at 300K. During the expansion 500 J of heat energy are transferred to the gas. Determine
a) the work performed by the gas during the cycle,
b) the heat transferred to the cooler,
c) efficiency of the cycle.
A 16 kg steel ball is launched from a cannon at an angle of 20 degrees above the horizontal. The cannon exerted an average force of 1200 Newtons on the ball during launch. Now that ball is in the air and has almost reached its target, what is the ..
A gas of diatomic molecules is in equilibrium at a temperature of 340 K. What is the mean angular momentum of the molecules
What is magnitude of the difference in frequency
A soccer ball of diameter 30 cm rolls without slipping at a linear speed of 2.7 m/s. Through how various revolutions has the soccer ball turned as it moves a linear distance of 16 m.
A 17 kg girl slides down a playground slide that is 3.1 m high. When she reaches the bottom of the slide, her speed is 1.3 m/s. what is the coefficient of friction between the girl and the slide
Two small identical conducting spheres are placed with their centers 25 cm apart. One is given a charge of 20.0 nC and the other given a charge of -36.0 nC. What is the electrical force of each sphere on the other?
The work done by an engine equals one-half the energy it expels to a cooler at 0C. what is the temperature of the heater
A sinusoidal transverse wave travels along a long stretched string. The amplitude of this wave is 0.0859 m, its frequency is 2.41 Hz, What is the shortest transverse distance between a maximum and a minimum of the wave
State the direction as an angle with respect to the +x axis.
A convex mirror has a focal length of -20 cm. What is the position of the resulting image in cm if the image is upright and one-fourth the object size
35MW of power at 45kV (rms) arrives at a town from a generator via 3.4? transmission lines. Calculate the fraction of the power generated that is wasted in the lines
What is the lenght of the driveway. An electric field = (89000 N/C, right) causes the ball in the figure below to hang at a 20° angle. The ball's mass is 4.7 g. What is the charge on ball.
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