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An ideal gas initially at 20°C and 199 kPa has a volume of 3.40 L. It undergoes a quasi-static, isothermal expansion until its pressure is reduced to 94 kPa.
(a) Find the work done by the gas. J
(b) Find the heat added to the gas during the expansion. J
Four particles with masses 4 kg, 2 kg, 4 kg, and 2 kg are associated by rigid rods of negligible mass. The origin is centered on the mass in the lower left corner, and all the particles are located in Quadrant 1. The rectangle is 5 m wide and 4 m ..
A 0.42 kg ball is dropped from rest at a point 1.30m above the floor. The ball rebounds straight upward to a height of 0.580 m. What are the magnitude and direction of impulse of the net force applied to the ball during the collision with the floo..
a ball is thrown upward from the roof of a building, passes the roof going down three seconds later, and hits the ground one second after that. how tall is the building? how fast did the ball strike the ground?
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet
On a frozen pond, a 11.3 kg sled is given a kick that imparts to it an initial speed of v0 = 1.69 m/s. Use the work kinetic energy theorem to find the distance the sled moves before coming to rest
A 0.290-kg block along a horizontal track has a speed of 1.60 m/s, What is the spring's maximum compression if the track is frictionless
Imagine that the coefficient of kinetic friction between a certain 15kg box and the floor is 0.35. How hard would you have to push on it to move it at the constant speed of 2.6m/s across the floor.
What is the focal length of the contact lenses that will enable him to see distant objects clearly
A proton has a kinetic energy of 8.5 MeV. If its momentum is measured with an uncertainty of 4.0%, what is the minimum uncertainty in its position
A second electron directly below it exerts an electrostatic force on the first electron that exactly cancels the gravitational force. What is the distance between the two electron
A 203 rad dose of radiation is administered to a patient in an effort to combat a cancerous growth. Suppose that all of the energy deposited is absorbed by the growth.
A plank 2.00 cm thick and 15.1 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. find the shear modulus of the wood
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