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The linear accelerator at Stanford University (SLAC) is 2.00 mileslong and is used to accelerate electrons. If an electron is accelerated to 0.999995c, then
a. what is the length of the accelerator in the electron’s frame of reference? b. what is the total energy of the electron (the rest massenergy of the electron is 0.511 MeV) in the accelerator’s frame? c. what is the momentum of the electron in the accelerator’s frame?
Plane-polarized light passes through two polarizers whose axes are oriented at 37.0 degrees to each other.If the intensity of the original beam is reduced to 14.55 , what was the polarization direction of the original beam, relative to the first pola..
In a CRT tube, electrons are accelerated by a 20,000 V potential difference between the electron gun (the cathode) and the positive metal mesh 5.00 cm away. How much time does it take the electron to reach the wire mesh
1.give the definition of electrical circuit. draw the simplest electrical circuit and mark the directions of electrical
A child playing tee ball hits a stationary 65 {\rm g} ball with a 300 {\rm g} bat swinging initially at 4.0 {\rm m/s}. What's the bat's post-impact speed
What is the maximum energy that a free electron (initiallystationary) can acquire in a collision with a photon of energy 4keV?
Sit on a rotating chair. Slowly twist your body in one direction and after that rapidly twist it in the other. What is going to happen? Is angular momentum conserved and if not why.
three forces when added produce a resultant force that is 100N pointing 63° above the positive x-axis. what are the magnitude and direction of the third force
he box is taken up a mountain where the air pressure outside the box is 8.00 104 Pa. The inside of the box is completely evacuated. Illustrate what is the magnitude of the force required to pull the lid off the box?
In a certain compound microscope, the object is 9.0 mm from the objective. What overall magnification is produced
A particle of mass 3.67 MeV/c2 and kinetic energy 11.01 MeV collides with a stationary particle of mass 11.01 MeV/c2. Find the mass of the system after the collision
a 10g block with a charge of 810-5 c is placed in an electric field e 3000i-600j nc what are the magnitude and
A spacecraft descends vertically near the surface of Planet X. An upward thrust of 26.0 from its engines slows it down at a rate of 1.20, find the spacecraft's weight near the surface of Planet X
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