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A Carnot engine whose high-temperature reservoir is at 580 K takes in 520 J of heat at this temperature in each cycle and gives up 309 J to the low-temperature reservoir.(a) How much mechanical work does the engine perform during each cycle?(b) What is the temperature of the low-temperature reservoir?(c) What is the thermal efficiency of the cycle.
An electron enters a region of space containing a uniform 0.0000125-T magnetic field. Its speed is 195 m/s and it enters perpendicularly to the field. Find the radius of the electron\'s orbit
A defibrillator is used during a heart attack to restore the heart to its normal beating pattern. A defibrillator passes 18 A of current through the torso of a person in 2.1 ms, How much charge moves during this time
A flat puck with mass M=.10kg is rotated in a circle with radius R=.20 m on a frictionless air-hockey tabletop at constant speed. then what is the weight G=mg of the dangling block
A tennis player standing 10.2 m from the net hits the ball at 3.60° above the horizontal. To clear the net, the ball must rise at least 0.322 m. how fast was the ball moving when it left the racquet
A steel section of the Alaskan pipeline had a length of 55.5 m and a temperature of 19.0 deg C when it was installed. What is its change in length
1. which of the following compounds are insoluble in water?pbso4 beoh2 mgno32 alpo4 nh4i all are insoluble2. what is
A plane is flying southwest at 155 mi/h and encounters the wind from the west at 45mi/h? what is the planes new velocity with respect to the ground in standard position.
A rock band playing an outdoor concert produces sound at 120dB 5.0m away from their single working loudspeaker. What is the intensity (I) 5 m from the loudspeaker
Just after each jumps, that person is moving away from the crate with a speed of 4.40 m/s relative to the crate.
A 90 uF capacitor and a 15m H inductor are in series with a 185 O resistor, What is the resonant frequency
a 9.5-uC charge is at x = 15 cm, y = 5.0 cm and a -3.2-uC charge is at x = 4.4 cm, y = 11 cm. Find the force on the negative charge
An explosion breaks an object into two pieces, one of which has 1.5 times the mass of the other. how much kinetic energy did each piece acquire
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