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Consider an ideal 2-state paramagnet. The entropy is given by:
A block is released from rest at point P and slides along the frictionless track shown. At point Q, its speed is.
0.110 moles of a mono atomic gas follows the process shown in the figure
A sledge loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope. The rope is inclined at 20.0° above the horizontal
You add 2 ounces of cold water at 40 degrees F. How much will the water you added heat up? How much will the coffee that you poured the water into cool down?
Find the force P necessary to push a 50.6 kg block down an incline of 32.4 degrees with an acceleration of 1.78 m/s^2. P .
A Carnot engine has a power output of 150 kW. The engine operates between two reservoirs at 20.0C and 500C. How much energy does it absorb per hour?
Block A in the figure weighs w1 and block B weighs w1. The coefficient of kinetic friction between all surfaces is uk.
A plot of pressure as a function of volume is known as a pV diagram. pV diagrams are often used in analyzing thermodynamic processes.i
Find the mass for which block moves down the plane at constant speed once it has been set in motion.
A simple pendulum consists of a bob of mass 1.8 kg attached to a string of length 2.3 m. The pendulum is held at an angle of 30
A scuba tank has a volume of 3500 cm³. The tank is filled with 50% (by volume) pure oxygen and 50% (by volume) pure helium.
A 200 g ball hits a wall perdendicularly with a velocity of 20 m/s. If the collision last miliseconds, what is the average force exerted by the ball on the wall
A passenger feels the seat of the car pushing upward on her with a force equal to 2.3 times her weight as she goes through the dip.
When a gas follows path 123 on the PV diagram below, 418 J of energy flows into the system by heat, and -167 J of work is done on the gas.
If an object with a mass of X kg sits on a frictionless table and another object with a mass of Y kg is connected to it by a wire over a frictionless pulley.
If he is traveling at 40.4 m/s at the point shown and the radius of the vertical coaster track is 62 meters to the nearest newton, what does the scale read?
When 117 J of energy is supplied as heat to 2.00 moles of an ideal gas at constant pressure, the temperature rises by 2.00 K. calculate the molar heat capacity
A car with linear momentum 8.0 x 10^4 kg* m/s brakes to a stop in 5.0 seconds. What is the magnitude of the braking force?
If the center to center distance between thse two balls is 13.5 cm, calculate the magnitude of the gravitational force that each exerts on the other.
A skier is moving at 20.0 m/s down a 30 degree slope. He encounters wet snow and slides 145 meters before coming to a stop.
The imperial units for mass is slugs, for length is feet and for time is seconds. The imperial units for force is a pound.
You have a 16 oz cup of coffee at 180 degrees F. That is way too hot to drink. So you want to cool the coffee off and decide to add some cold water
Each of three bodies has a temperature-independent heat capacity C. The three bodies have initial temperatures of T1, T2, and T3 .
A cylinder contains 0.1 kg of water at 15 °C. A piston increases the pressure on the water isothermally from 1 atm to 100 atm