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Use the heat diagram provided above to answer the following questions. Suppose Tc = 5.0C, Th = 22C, Qc = 30 kJ, W = 17 kJ. The desired heat transfer is Qc.
1. Classify the diagram as describing a heat engine, heat pump, or refrigerator.
2. Calculate the eciency or Coecient of Performance of the device.
3. Calculate the maximum eciency or maximum COP for the device.
4. Calculate Qh.
A large iron cylinder of mass 265 kg rests so that its circular face rolls along the edge of a table, How far has the system moved along the horizontal
What is capacitance a measure of, physically? Describe a typical RC circuit. Explain how voltage measured across a capacitorchanges in time, both when the capacitor is charging and discharging. What are theequations that describe this?
The coefficient of performance of a refrigerator is 4.70. The compressor uses 20.0J of energy per cycle. How much heat energy is exhausted per cycle
The force of repulsion that two like charges exert on each otheris 4.2 N. What will the force be if the distance between thecharges is increased to 4 times its original value?
how do the phase angle and current change as the resistance changes in a circuit where the frequency stays constant?
A student strikes a long aluminum rod at one end. Another student, at the other end with her ear close to the rod, How long is the rod
A particle undergoing simple harmonic motion has a velocity v1 when the displacement is x1 and a velocity v2 when the displacement is x2. Obtain the angular frequency and amplitude of motion
An airplane with a speed of 93.3 m/s is climbing upward at an angle of 58.5 ° with respect to the horizontal. Relative to the ground, determine the angle of the velocity vector of the package just before impact
The frequency of a slightly damped harmonic oscillator is Fd=1000 Hz. The amplitude of this oscillator drops to 1/(e^10) after 25 cycles. What are the undamped and resonant frequncies of the oscillator
A building has two open doors facing the bay. The walls of the building absorb sound well, so multiple reflections can be ignored. find the distance d between the door centers
How is the principle on which the Gaussmeter is based related to the motion of the electron perpendicular to a uniform magnetic field?
A 2.65 kg object is moving in a plane, with its x and y coordinates given by x = 2t2 - 3 and y = 2t3 + 6, where x and y are in meters and t is in seconds. Find out the magnitude of the net force acting on this object at t = 2.00 s.
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