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If 5.40 moles of a monatomic ideal gas at a temperature of 320 K are expanded isothermally from a volume of 1.41 L to a volume of 4.03 L, calculate the heat flow into or out of the gas.
The block starts at the top of the wedge at 1.2 m. Find out the final speeds of a block and the wedge once the blook has slid to the bottom.
A 0.17 kg baseball is launched from the roof of a building 12m above the ground. What is the speed of the ball as it strikes the ground
The critical angle for total internal reflection for glycerine surrounded by air is 42.9°. Calculate the index of refraction of the substance
A light ray travels through medium #1 and crosses a boundary into water at an indicent angle of 21.8 degrees. what is the energy of one photon of this light
Calculate the the electrical repulsion that each bag exerts on the other. Imagine two 2.0{\rm g} bags of protons, one at the earth's north pole and the other at the south pole.
In the figure to the left, the pulley (which is in the form of a disk) has a mass of 7.50 kg and a radius of 35 cm. What is the speed of the iron block
A series RLC circuit has components with R = 50ohms, L = 0.15H, C = 20uF. The circuit is driven by a 120-V, 60-Hz source. What is the power delivered to the circuit
Two skaters, of mass mA = 60kg and mB = 90 kg, are skating toward each other at the same speed v = 4 m/s. What is the speed of skater A following the collision
Damped forced oscillations, A single stage vibration isolation system consists of a heavy granite slab (100 kg) sitting on legs which act as a vertical damped spring. The "Q" (Quality Factor) of the system is 8.0, and the velocity damping coeffici..
A "door closer" is attached to the door and the top of the door frame.When the door is open and at rest, the door closer exerts a torque of 4.8 {rm N} cdot {rm m}. What is the least force that you need to apply to the door to hold it open.
Pale uses straight-line depreciation and useful lives of 40 years and 10 years for the building and equipment, respectively, with no estimated residual values. Give journal entry that Pale recorded when it transferred the assets to Bright.
A nuclear power plant has an electrical power output of 1067MW and operates with an efficiency of 45%. what is the rise in temperature of the flowing water
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