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A heat engine carries 4.20 mol of an ideal monatomic gas around the cycle shown in the figure. Process 1-2 takes place at constant volume and takes the gas from 300 K to 600 K, process 2-3 is adiabatic and takes the gas from 600 K to 455 K, and process 3-1 takes place at a constant pressure and returns the gas to 300 K. Compute the heat Q for the whole cycle.
two large parallel conducting plates are 12 cm apart and have charges of equal magnitude and opposite sign on their
Two identical objects traveling in opposite directions with thesame speed V make a head-on collision. Find the speed of the second object after the collision if they stick together
The diameter of a specific copper wire is 8.364 mm, Find the resistance of a 1.2 km length of such wire used for power transmission..
An incandescent lightbulb draws 0.50 A, while a compact fluorescent with the same light output draws 125 mA. How do their energy-consumption rates compare
A uniform metal rod, with a mass of 3 {rm kg} and a length of 1.2 {rm m}, is attached to a wall by the hinge at its base. A horizontal wire bolted to the wall 0.51 m above the base of the rod holds the rod at an angle of 25{rm ^circ} above the hor..
A spherical Van de Graaff ball of radius 0.15 m is charged to 500,000 Volts. It is spinning at 60 rpm; calculate the magnitude of its magnetic moment
A current of 3.6 Amp flows through a wire. How many electrons pass a particular point on the wire in 17 s
Children who experience chronic pain as a result of medical procedures are the focus of a psychiatrist's study. Specifically, the psychiatrist wants to measure whether a new program helps decrease feelings of chronic pain in the short-term. He mea..
A dc motor has coils with a resistance of 13 ? and is connected to an emf of 120.0 V. When the motor operates at full speed, the back emf is 72 V. What is the current when the motor is at full speed
At the top of a giant swing on the gymnastics high bar, Candy's velocity is 1 m/s, and she is 3.5 m high. what is her total mechanical energy at this instant
A primitive diving bell consists of a cylindrical tank with one end open and one end closed. The tank is lowered into a fresh water lake, open end downward. Water rises into the tank, compressing the trapped air, whose temperature remains constant du..
A car goes 13 miles east, then due North ending up 25 deg North of East from its initial position. How far due North did it travel
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