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Solve the equations for the normal reaction force on the system and the force exerted by the man on the system.
The displacement x of the object as a function of time is shown in the drawing below. With the aid of this data, determine the following values.
For a diatomic gas near room temperature, the internal partition function is simply the rotational partition function multiplied by the degeneracy Ze
The wagon next to the locomotive has a mass of 80,000 kg, the next one, 50,000 kg, and the last one, 70,000 kg.
A balloon filled with 40 moles of He at 3 atm pressure and at room temperature (300 K) expands isothermally from a volume Vi to a volume Vf
Three boxes rest side-by-side on a smooth, horizontal floor. Their masses are 5.0 kg, 3.0 kg, and 2.0 kg, with the 3.0-kg mass in the center.
A small container of gas undergoes a thermodynamic cycle. The gas begins at room temperature. First the gas expands isobarically until its volume doubles.
A falling skydiver has a mass of 110 kg. What is the magnitude of the skydiver's acceleration when the upward force of air resistance.
A student wants to determine the coefficients of static friction and kinetic friction between a box and a plank.
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.