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Two gas cylinders are identical. One contains the monatomic gas argon (Ar), and the other contains an equal mass of the monatomic gas krypton (Kr). The pressures in the cylinders are the same, but the temperatures are different. Determine the ratio of the average kinetic energy of a krypton atom to the average kinetic energy of an argon atom.
A small car with mass 0.690 travels at constant speed on the inside of the track that is a vertical circle with radius 5.00. If the normal force exerted by the track on the car when it is at the top of the track (point) is 6.00, what is the normal fo..
A grindstone with radius 0.65m starts from rest and rotates counter-clockwise through 3 rev at which point its angular speed is 25 rad/s
a 55.0 kg diver fallsfreely from a diving platform that is 3.00 m above the surface of the water in apool. what are her kinetic energy withrespect to the water's surface
when a mass of 180g is attached to a vertical to a vertical spring and lowered to its equilibrium position, it is found that the spring extends 12cm. what is the period of the resulting oscillations
The index of refraction of crown glass for red light is 1.51, while for blue light it is 1.531. Find the angle of refraction for blue light
An astronaut exploring a distant solar systems lands on an unnamed planet with a radius of 3900 kilometer. evaluate what is the mass of the planet
A lumberjack (mass = 98 kilogram) is standing at rest on one end of a floating log (mass = 245 kilogram) that is also at rest. Find the velocity of the second log if the lumberjack comes to rest on it
The force on a wire is a maximum of 4.00*10^-2N when placed between the pole faces of a magnet. The current flows horizontally to the right and the magnetic field is vertical. what force will it now feel
Two identically charged particles separated by a distance of 3.7 m repel each other with a force of 4 N. What is the magnitude of the charges
Consider a solid that sublimes (goes from solid to gas) at 300K. In the solid phase, the molecules have six degrees of freedom and u0=-0.15 eV, What is the latent heat of sublimation in joules per mole
question1a small immersion heater can be used to heat a cup of water for coffee or tea. if the heater can heat 180ml
A copper wire of length L and cross sectional area A is connected to a 12.0 volt DC power supply. The current through the wire is measured at 36A. What is the current through both wires
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