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a) A Carnot engine operates between a hot reservoir at 355.0 K and a cold reservoir at 265.0 K. If it absorbs 510.0 J of heat per cycle at the hot reservoir, how much work per cycle does it deliver?
b) If the same engine, working in reverse, functions as a refrigerator between the same two reservoirs, how much work per cycle must be supplied to remove 920.0 J of heat from the cold reservoir?
A sledge loaded with bricks has a total mass of 18.1 kg and is puled at a constant speed by a rope inclined at 19.0^above The horizontal. determine the mechanical energy lost due to friction
A fire breaks out and increases the Kelvin temperature of a cylinder of compressed gas by a factor of 1.0
How will their speeds to relate to each other when they land? Ignore air resistance. Clarify with graph. Draw a graph and explain why it happens.
An electron enters a region of space containing a uniform 0.0000179-T magnetic field. Its speed is 151 m/s, Find the radius r of the electron\'s path
The electron mass is 9×10?31 kg. What is the magnitude of the momentum of the electron
A wire, 24 m long, moves at 4.8 m/s perpendicularly through a 0.59 T magnetic field. What emf is induced in the wire
Suppose a chimpanzee swings through the jungle on vines. If it swings from a tree on a 13 m long vine that starts at an angle of 45 degrees, what is the chimp's velocity when it reaches the ground.
A soccer ball leaves the foot of a player with an intitial velocity of 22 m/s at an angle of 30 degrees above the positive x-axis
Two small objects are connected by a string of length l and are initially positioned at rest on a horizontal plane. Charge of each object is q, mass is m. String is broken and objects start to slide away from each other on the horizontal plane. What ..
A pop bottle style instrument is played being open at one end closed at the other, if two successive frequencies, 350 Hz and 490 Hz, are produced, what is the fundamental frequency,
q1. a delivery truck travels 17 blocks south 16 blocks east and 18 blocks north. what is its final displacement from
Consider an electron in the ground state of the hydrogen atom, separated from the proton by a distance of 0.0529 nm. Viewing the electron as a satellite orbiting the proton in the electrostatic potential, calculate the speed of the electron in its ..
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