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A Carnot engine is operated between two heat reservoirs at temperatures of 530K and 300K.
Part A If the engine receives 6.50kJ of heat energy from the reservoir at 530K in each cycle, how many joules per cycle does it reject to the reservoir at 300K ?
Part B How much mechanical work is performed by the engine during each cycle?
Part C What is the thermal efficiency of the engine?
find the mass of Earth from the period T and the radius r of the Moon's orbit about the Earth. T=27.3 days and r=3.82E5 km. suppose the Moon orbits the center of Earth rather than the center of mass of the Earth-Moon system.
A simple harmonic oscillator with m = 0.740kg and total energy E = 125J has amplitude 1.65m, Find the maximum acceleration
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A bicycle wheel is rotating at 45 when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.42.
What is the gauge pressure of the air in the tires when its temperature rises to 27 .00C and its volume increases to 1.67 x 10-2 m3? Assume atmospheric pressure is 1.01 x 105 Pa.
An alpha particle with kinetic energy 17 MeV makes a head-on collision with a lead nucleus at rest. What is the distance of closest approach of two particles.
A young girl with mass 35.5kg is sliding on a horizontal, frictionless surface with an initial momentum that is due east and that has magnitude 86.0kg?m/s, How much work has been done on the girl by the force in the time interval from t= 0s to the ..
A dog sitting 3.7m from a vertical mirror thinks its image is another dog. How far is the image from the dog
Swift is a spacecraft that has a collecting area of 0.520 m2 to detect gamma-ray bursts (GRBs). find the amplitude of the magnetic field of the source
A 250 g block of wood hangs from a light string 0.78 m long. The block is shot with a bullet of mass 4.2 g, what was the velocity of the bullet just before it hit the block
Two blocks with masses m = 16.7 kg and M = 70.1 kg are not attached. The coefficient of static friction between the blocks is 0.45 but the surface beneath M is frictionless. What is the minimum force F required to hold m against M?
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