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A photon with wavelength 0.02680 nm strikes a free electron that is initially at rest. The photon is scattered at an angle of 30.0° from its original direction.
a) What is the energy of the scattered photon?
b) What is the de Broglie wavelength of the electron after its collision with the photon?
An undersea research chamber is spherical with an external diameter of 4.60m . The mass of the chamber, when occupied, is 51100kg. What is the buoyant force on the chamber
A 100-W electric-resistance heater inside the tank is energized for 10 minutes. Calculate the mass of CO2 in the tank and the temperature and pressure in the tank at the end of the 10 minutes period
Find the electric field at the top point of a right circular solid cone of charge Q, uniform density. The cone has a radius a and a height h.
A cart for hauling ore out of a gold mine has a mass of 447 kg, including its load. Calculate the work done on the cart during the process by friction
Find out the drill's angular acceleration. Determine the angle through which the drill rotates all through this period.
The inlet ducting to a jet engine forms a diffuser that steadily decelerates the entering air to zero velocity relative to the engine before the air enters the compressor. determine the temperature, in degrees Celsius, of the air entering the compr..
What is the charge on each sphere if the two charges are alike?
A piece of wood of density of mass 5kg is 400 x 500 x 300mm thick. When it is floating water, how much of this thickness h is submerged, What is the weight of this substance
A device consisting of four heavy balls connected by low mass rods is free to rotate about an axle. It is initially not spinning. what is the angular speed of the device
Two archers shoot arrows in the same direction from the same place with the same initial speeds, but at different angles. how far apart are the two arrows when they land
A football quarterback is moving straight backward at a speed of 2.0 m/s when he throws a pass to a player 20.0 m straight downfield. How long does it take to get to the receiver
A 0.750 kg block is attached to a spring with spring constant 15 N/m. While the block is sitting at rest, What is the amplitude of the subsequent oscillations
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