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A monatomic ideal gas in a rigid container is heated from 222 K to 304 K by adding 8560 J of heat. How many moles of gas are there in the container?
A 3,700-kg truck runs into the rear of a 1,000-kg car that was stationary. What was the speed of the truck before the collision
Snowboarder Sherry of mass m is pulled up a slope at constant velocity v by a tow bar. The force of the tow bar is parallel to the slope, which is inclined at (theta) with respect to the horizontal. The coefficient of kinetic friction between the ..
A chemist uses a mass spectrometer to determine the amounts of specific kinds of air pollution in an air sample. What is the diameter of the circular path of NO (nitrous oxide) molecules
The left mass (10 kg) has a coefficient of kinetic friction between itself and the table of .25, calculate the contact force that acts between the masses
A playground merry-go-round (uniform disk with mass M=150kg and radius R=2m) rotates on a frictionless axle through its center. What is the kinetic energy of the child-merry-go-round-system
A beam of protons, each with kinetic energy 40 MeV, approaches a step potential of 30 MeV. What fraction of the beam is reflected and what fraction transmitted
Two narrow slits separated by 1.0mm are illuminated by 559nm light. Find the distance between adjacent bright fringes
A guitar string has a tension on it of 6500 N and length of 1.2 m. what is the linear mass density of the string
Two cars approaching each other collide and stick together after the collision. One car has a mass of 1820 kg, What was the initial velocity of the second car
A 3.50 x 10^2 N child is in a swing that is attached to ropes 1.75 m long. find the gravitational potential energy associated with the child relative to her lowest postion. What is the net charge inside the die.
An archer fires an arrow horizontally off of a ravine that is 65 meters wide, What is the magnitude of the velocity with which the arrow strikes the other side
A 1.00-kg glider attached to a spring with a force constant 25.0 N/m oscillates on a frictionless, horizontal air track. Find the period of the glider's motion
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