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1. An engine operating on a Carnot cycle extracts 10.0 kJ of heat per cycle from a thermal reservoir at 1000.°C and rejects a smaller amount of heat to a low-temperature thermal reservoir at 10.0°C. Determine the net work produced per cycle of operation.
2. We need to get 1.00 kW of power from a heat engine operating on a Carnot cycle. 3.00 kW of heat is supplied to the engine from a thermal reservoir at 600. K. What is the required temperature of the low-temperature reservoir, and how much heat must be rejected to it?
Two blocks are connected by a string. The smooth inclined surface makes an angle of 35 degrees with the horizontal, and the block on the incline has a mass of 5.7 kg . The mass of the hanging block is = 2.9 kg.
Your friend is catching a falling basketball after it has passed through the basket. Her hands move straight down while catching the ball. Determine the average force that her hands exert on the ball while catching it
An aging coyote cannot run fast enough to catch a roadrunner. He purchases on eBay a set of jet-powered roller skates, which provide a constant horizontal acceleration of 15.0 m/s2. The coyote starts at rest 70.0 m from the edge of a cliff at the ins..
A sled weighing 189N rests on a 15° incline, held in place by static friction. The coefficient of static friction is 0.50.
Two people, one of mass 88kg and the other of mass 62kg , sit in a rowboat of mass 68kg. With the boat initially at rest, In what direction will the boat move
The highest string on a guitar has a vibrating length of 60 cm and a vibrating mass of 0.9 g. What is the wavelength of the waves on the string
A plank 2.00 cm thick and 16.9 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below, find the shear modulus of the wood
A horizontal force of magnitude 46.1 N pushes a block of mass 3.64 kg across a floor where the coefficient of kinetic friction is 0.554. find the increase in the kinetic energy of the block
Decide if each of the following can be modeled as an incompressible flow or a compressible flow: the take-off and landing of commercial airplanes
Which units measure the amplitude of sound waves?
Sketch a PV diagram and find the work done by the gas during the following stages. Find the net work done during the complete cycle
A painter wishes to know whether or not he can safely stand on aladder. Calculate the maximum mass of the painter for which the ladder willremain stable when he climbs a distance d = 5.2 m up the ladder
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