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An Ericsson cycle operates with a compressor inlet pressure and volume of 1.00 MPa, 0.0200 m3 and a turbine inlet pressure and volume of 5.00 MPa, 0.0400 m3 . For a reversible cycle, determine
a. The heat added.
b. The heat rejected.
c. The work done.
d. The thermal efficiency of the cycle.
The planet Mercury takes only 88 Earth days to orbit the Sun. Assume the motion is uniform in a nearly circular orbit, with a radius of 5.79*10^10m. What is Mercury's tangential velocity
A car goes round a flat curve at a speed of 32 ms-1. If the radius of the curve is 200 m, find the minimum value for the coefficient of friction so that the car can go around the curve without skidding.
A boat crosses a river with a width w=160m in which thecurrent has a uniform speed of 1.50m/s. What is the speed of the boat relative to a stationary shore observer
A can of paint (volume = 3.74 10-3 m3) covers an area of 40.0 m2. What is the thickness of the paint on the wall
A student gets his car stuck in a snow drift. Not at a loss, having studied physics, he attaches one end of a stout rope to the vehicle. what is the force on the car?
An inflated football has a gauge pressure of 9.3 Ib/in2. Calculate the pressure inside the football
A mass attached to a spring is lifted 10cm and then let go at which point the mass bobs up and down completing 4 oscillations in 10 sec. When does the mass first reach its maximum speed and what is that speed?
A resistor with R = 90 ohm is connected to a battery with emf 2.4 V. What is the current through the battery
A certain string just breaks while it is under 25 N of tension. A boy uses this string to whirl a 0.75-kg stone in a horizontal circle of radius 2.00 m. The boy continuously increases the speed of the stone. At around what speed would the string b..
Liquid helium is stored at its boiling point temperature of 4.2K in a spherical container (r=0.30 meter). The container is a perfect blackbody radiator. Calculate what mass of liquid helium boils away through a venting valve in 1 hour
After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 8.00km below the surface. Find the fractional volume change in the spoon due to compression forces
A 3900-Ω resistor and a 1.3-µF capacitor are connected in series across a generator (60.0 Hz, 120 V rms). Decide the average power delivered to the circuit.
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