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Beams of high-speed protons can be produced in "guns" usingelectric fields to accelerate the protons. (a)What acceleration would a proton experience if the gun's electricfield were 2.18 x 104 N/C?
A potential difference V is applied to a wire of cross section A, length L, and resistivity ?. You want to change the applied potential difference, What should be the new values of L and A in terms of the old values
A horizontal 5-cm diameter water jet with a velocity of 18 m/s impinges normally upon a vertical plate of mass 1000 kg. The plate rides on a nearly frictionless track and is initially stationary. When the jet strikes the place, the plate begins to..
A photon has an energy equal to the kinetic energy of an electron with speed, u, which may be close to the speed of light, c. Calculate the ratio of the wavelength of the photon to the wavelength of the electron
Suppose we allow two mass in a one-dimensional diatomic lattice to become equal. What happens to the frequency gap? Is this answer expected? Compare the results with those of the monatomic lattice.
A copper ball with a radius of 1.7 is heated until its diameter has increased by 0.19, find the final temperature of the ball
What is the total force on an object if 47.2 pounds upward, and 59.3 lb to the right are acting on it? answer sketching the diagram and show mathematical calculation.
a bicyclist starts a sprint with an initial speed of 2.0m/s, she moves a constant acceleration, how long did it take the bicyclist to complete the race
Biologically usefull technetium nucleuii (at wt 99) have half life of 6 hours. A solution containing 10^-12 gram of this is injected into the bladder of a patient.
What is momentum of the system immediately after the pack is thrown?
What happens to water that flows out of a pipe at constant pressure (or constant flow rate), and then enters a restriction in the pipe (goes from a fat pipe to a thin pipe, but the pressure in the fat part of the pipe stays the same:
The allowed energies of a simple atom are 0.0 eV, 3.0 eV, and 4.0 eV. What is the minimum speed the electron could have after the collision
On an essentially frictionless, horizontal ice rink, a skater moving at 6.0m/s encounters a rough patch, Use the work-energy theorem to find the length of this rough patch.
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