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Q1. A Carnot engine performs work at the rate of 430 kW while using 710 kcal of heat per second. If the temperature of the heat source is 590°C, at what temperature is waste heat exhausted?
Q2. Assume that the rod is held at rest horizontally and then released. (Throughout the remainder of this problem, your answer may include the symbol, moment of inertia of the assembly, whether or not you have answered the first part correctly.)
A .060-kg tennis ball, initially moving 5.50 m/s, has a head on collision with a .090-kg ball initially moving in the same direction, determine the Speed and direction of each ball after collision
When the capacitor is charged to 135V , what is the charge per unit length lambda on the capacitor
Two 7.0mm×7.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. find the charge before and after the Mylar is withdrawn
Gas is confined in a tank at a pressure of 9 atm and a temperature of 15 degrees C. what is the new pressure in the tank
A 0.50-kg object is attached to an ideal massless spring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.7 m/s at the equilibrium position.
35MW of power at 45kV (rms) arrives at a town from a generator via 5.0? transmission lines. Calculate the emf at the generator end of the lines
A box is at rest on a horizontal table. Is it because of the first law, second law, and or third law of motion that those two forces are equal
Consider a Van de Graaff generator with a 30.0 cm diameter dome operating in dry air. what is the maximum potential energy of the dome
A ball of mass 20 kg moves with a velocity of 2 m/s along the +x axis (call it ball A). It collides with a ball of mass 12 kg which is initially at rest (call it B), What is the final velocity of ball B
A duck has a mass of 2.6 kg. As the duck paddles, a force of 0.11 N acts on it in a direction due east. In addition, the current of the water exerts the force of 0.12 N in a direction of 44° south of east. When these forces begin to act, the velocity..
A layer of oil, with a refractive index of 1.40798, 0.97483 mm thick, How many wavelengths are contained in the light wave passing back and forth through the oil
A satellite is in a circular orbit very close to the surface of a spherical planet. The period of the orbit is 1.55 hours. What is density of the planet
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