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An ideal monatomic gas with 3.6mol undergoes a reversible increase in temperature from 380 K to445 K at constant volume. What is the entropy change of the gas?
A pitcher throws a ball weighing 0.3 lb at a velocity of 90 miles per hour (horizontally). The mass moment of inertia of a spherical body is 0.4mR2, What is the total energy of the ball
Two cars traveling in opposite directions collide head on and are brought to rest. estimate the change in entropy of the universe as a result of the collision
an outfielder throws a 0.145kg baseball to the shortstop with a speed of 30m/s at an angle of 20 degrees above the horizontal. How far does the ball travel
a piece of copper wire is formed into a rectangle. The length of the rectangle is 3m and the width is 2m. what is the average electrical energy dissipated in the resistance of the wire
An electrically neutral model airplane is flying in ahorizontal circle on a 3.0-m guideline, which is nearly parallel tothe ground. The line breaks when the kinetic energy of the plane is50.0J. Reconsider the same situation, except that now there ..
A 1.7kg , 20-cm-diameter turntable rotates at 50rpm on frictionless bearings, What is the turntable's angular velocity, in rpm, just after this event
A train is traveling at 30.0m/s relative to the ground in still air. The frequency of the note emitted by the train whistle is 262Hz . The speed of sound in air should be taken as 344m/s . What frequency f approach is heard by a passenger on a tra..
A 1000kg car is moving at a constant speed of 7 m/s when it hits the back bumper of another car with 1200kg of mass moving in the same direction at a constant speed of 6m/s
A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. find the buoyant force exerted by the water on the sphere
An isolated hydrogen atom possesses a hyperfine interaction between the proton and electron spins (Sp and Se) that takes the form ASp*Se. The two patricles have magnetic moments αSp and βSe, and the entire system is in a unifrom magnetic field B. ..
A 340 kg piano slides 3.7 m down a 33° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.37.
A copper weight is placed on top of a 0.23 kg block of wood (density = 0.60 x10^3 kg/m3) floating in water. What is the mass of the copper
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