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Determine the kinetic energy of the photoelectron produced when an 82 keV x-ray interacts with an L-shell electron in silicon.
The longest "string" (a thick metal wire) on a particular piano is 2.0 m long and has a tension of 300.0 N. What is the total mass of the wire
Suppose that the linear density of the A string on a violin is 8.50 10-4 kg/m, What is the tension in the string
Two identical metallic blocks are connected by a light spring having the spring constant 100 N/m and an unstretched length of .30 m. A total charge Q is slowly placed on the system, causing the spring to stretch to an equilibrium length of .40 m. ..
hearing damage may occur when a person is exposed to a sound intensity level of 90.0 db relative to the threshold of
Two 2.2 kg masses are 1.4 m apart on a frictionless table. Each has +1.0 µC of charge. What is the magnitude of the electric force on one of the masses
in a proton accelerator a moving proton hits a solid target and stops. as a result an electron-positron pair is created
A simple pendulum is swinging back and forth during a small angle, its motion repeating every 1.15 s. How much longer must the pendulum be made in order to increase its period by 0.20 s?
What is the launch speed of a projectile that rises vertically above the Earth to an altitude equal to five before coming to rest momentarily.
A wheel of radius 0.350 m has an initial angular speed of 54.0 rad/s and is brought uniformly to a stop after undergoing 28.0 complete rotations. Calculate the angular acceleration of the wheel.
An elevator cable breaks when a 975 kg elevator is 24.5 m above the top of a huge spring (k = 8.00 x 10^4 N/m) at the bottom of the shaft. Calculate the amount the spring compresses
The nickel's image has1.8times the diameter of the nickel and is2.75cm from the lens. Determine the focal length of the lens.
the velocity of light (c) is 3x108 m/s. an AM radio station is at 1500 (kHz) on the radio dial. what is the wavelength of the waves broadcast by this station
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