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A Carnot engine uses hot and cold reservoirs that have temperatures of 1850 and 845 K, respectively. The input heat for this engine is QH. The work delivered by the engine is used to operate a Carnot heat pump. The pump removes heat from the 845-K reservoir and puts it into a hot reservoir at a temperature T'. The amount of heat removed from the 845-K reservoir is also QH. Find the temperature T' in kelvins.
q1. a small car of mass 831 kg is parked at the back a small truck of mass 1553 kg on a level road. the brakes of both
question1a robot arm that controls position of the video camera in an automated surveillance system is manipulated by a
Two point charges are on the y-axis, one of magnitude 3.0 ? 10-9 C at the origin and a second of magnitude 6.0 ? 10-9 C at the point y = 25 cm
The density of a sample of air is 1.205 kg/m3, and the bulk modulus is 1.42 105 N/m2, Find the temperature of the air sample
A 9.5 gram bullet hits a 5.4 kg block in collision as shown in the figure such that the block is free to rotate as a pendulum. what would be the final height of the block
A very long, straight solenoid with a cross-sectional area of 6.00cm2 is wound with 40.0 turns of wire per centimeter, What is the average induced emf in the secondary coil
Find the slit width. compute the coefficient of kinetic friction between the slide and the child.
A skater has rotational inertia 4.2 kg?m2 with his fists held to his chest and 5.7 kg?m2 with his arms outstretched. how fast will he be spinning
If the near-point distance of the jeweler is 21.8cm, find the angular magnification when the diamond is held 5.74cm from the magnifying glass
A tube of radius 5cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. The pressure in the 5 cm tube is 1×10^5 Pa. The density of water is 1000kg/m3. Suppose that the water is no visco..
A crankshaft with a diameter of 3.0 cm, rotating at 2900rpm comes to a halt in 1.20s. How many revolutions does the crankshaft make as it stops
Does an apple tree exert a gravitational force on the earth and if so, how large of a force, Consider and explain this question when the apple is attached to the tree
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