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An ideal gas for which Cv=3R/2 is the working substance of a Carnot engine. During the isothermal expansion the volume doubles. The ratio of the final volume to the initial volume in the adiabatic expansion is 5.7. The work output of the engine is 9*10^5 J in each cycle. Compute the temperature of the reservoirs between which the engine operates.
You've been sent to a new planet. In order to determine the planet's free-fall acceleration, At what time is the ball at its maximum height
1. a a massless rope is stretched horizontally between two supports that are 3.0 m apart. when an object of weight 3200
You are at a party playing a game of “spin the bottle” when you notice an insect in the bottle. When the bottle is spinning, is the insect in an inertial or noninertial reference frame? Explain why in complete sentences.
An engine that operates at the maximum efficiency possibletakes in 1.0 MJ of heat at 327o C and exhausts waste at127o C. How much work does it perform
A charge of -8.0 nC is uniformly distributed around a ring of radius 1.3 m that lies in the yz plane with its center at the origin. Calculate the work done in moving the point charge to the origin
the cm of an empty 1250 kg car is 2.30 m behind the front of the car. how far from the front of the car will the cm be
A 0.75m diameter solid sphere may be rotated about an axis through its center by a torque of 11.5m*N which accelerates it uniformly from rest through a total of 180 revolutions in 16.0 s.What is the mass of the sphere.
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0894 s, estimate the vertical components of the launch velocity
a conducting spherical shell with inner radius a and outer radius b has a positive point charge q located at its
Mike throws a ball upward & toward the east at a 10.0 angle with a speed of 57.0 m/s. find the ball's initial angle in Nancy's referance frame
The mass per unit length of the cord is 1.24 e-2 kg/m, so the mass of the cord is negligible compared to the mass of block. The cord is being vibrated at a frequency of 167 Hz (vibration source not shown in the drawing).
The surface temperature of the Sun is about 5800 K. Taking the Sun's radius to be 6.96E+8 m, calculate the power radiated by the sun
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