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X-rays with wavelengths of 0.2597 nm are detected at a scattering angle of = 170° in a Compton-scattering experiment. Find
(a) the wavelength of an incident photon,
(b) the energy of an incident photon (in eV),
(c) the energy of a scattered photon (in eV), and
(d) the kinetic energy of the recoil electron (in eV). (For accuracy, use h = 6.626 x 10-34 J.s and c = 2.998 x 108 m/s.)
A sphere is charged with electrons to ?1 × 10^-5 C. How many electrons make up this charge
Ideally, when a thermometer is used to measure the temperature of an object, the temperature of the object itself should not change. What was the temperature of the water before the insertion of the thermometer
The air inside a bicycle tire pump has 153 joules of work done on it as 89.9 joules of heat is conducted away from it
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.90×106 N, one at an angle 12.0 degrees west of north, What is the total work done by the two tugboats on the supertanker
In the fastest measured tennis serve, the ball left the racquet at 73.14 {\rm{ m/s}}. How far did the ball travel during the serve
A uniform soda can of mass 0.138-kg is 11.80-cm tall and filled with 1.30-kg of soda. Then small holes are drilled in the top and bottom (with negligible loss of metal) to drain soda. (Initially the soda can is full.)
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air. Because of the air jets, the friction impeding the horizontal motion of the platform is negligible. determine the recoil velocity
The following two lists give the diameters and sound frequencies for three loudspeakers. find the common diffraction angle
A capacitor that is initially uncharged is connected in series with a resistor and a 406.7V emf source with negligible internal resistance, What is the resistance of the resistor
A model rocket engine has an average thrust of 5.26 N. It has an initial mass of 25.0 g, which includes fuel mass of 12.3 g. What is the average exhaust speed of the engine
Before landing astronauts on the moon, the Apollo 11 space vehicle was put into orbit around the moon. Calculate the ratio of densities (moon to earth)
Four point charges have the same magnitude of 2.3 × 10-12 C and are fixed to the corners of a square that is 3.8 cm on a side, Determine the magnitude of the net electric field that exists at the center of the square
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