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A reversible engine takes in 555 J per second and exhausts 482 W
a) How much power does it produce?
b) What is its efficiency?
c) If operated in reverse as a refrigerator, what would be its COP?
A 1400 kg car carrying four 96 kg people travels over a "washboard" dirt road with corrugations 4.5 m apart. by how much does the car body rise on its suspension
Write down the original position of the system
imagine 1.0 stock tank barrel oil and 1000 scf gas that have been produced were somehow put back to reservoir at certain condition of pressure, what is the oil formation and solution gas oil ratio
You have a 1200W microwave. When you put a cup of water in for 8 minutes only half evaporates. How efficient is your microwave
A rocket is launched at an angle of 52° above the horizontal with an initial speed of 103 m/s. The rocket moves for 3s along its initial line of motion with an acceleration of 32 m/s2. At this time, its engines fail and the rocket proceeds to move..
A person of mass M lies on the floor doing leg raises. His leg is 0.85m long and pivots at the hip, How far does the entire body's center of mass rise
Consider the same situation, but now let the initial speed v_0 of first ball be given and treat the height h of the building as an unknown. What should the height of the building be for both balls to reach the ground at the equivalent time for v_0..
A 59.3-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.714, What horizontal pushing force is required to just start the crate moving
If the scattered photon has a wavelength of 0.320nm , what is the wavelength of the incident photon, Find the kinetic energy of the recoil electron
Two isotopes of a certain element have binding energies that differ by 4.7540 MeV. The isotope with the larger binding energy contains one more neutron than the other isotope. Find the difference in atomic mass between the two isotopes
One mole of an ideal diatomic gas is expanded at constant temperature from a pressure of two atmospheres, What are the final temperature and pressure of the gas
an ideal transformer steps down 120 volts to 12.0 volts and the 2630- turn secondary supplies 12.0 amperes. What is the ratio output power to input power
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