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To study the wave nature of electrons, some physics students propose to accelerate a group of electrons during a voltage so that the de Broglie wavelength of the electrons will equal that of light (about 600nm). Interference of the electron waves can then be observed easily with passing the electrons through double slits utilized to study light interference. (a) Compute the voltage during which the electrons must be accelerated.
An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck. What is the speed of the truck when they are abreast
A 0.170-kg piece of aluminum that has a temperature of -155° C is added to 1.5 kg of water that has a temperature of 2.5° C. determine the mass of water that has been frozen into ice
a car weighing 500 Lbs with the velocity of 60 miles per houris trying to negotiate a sharp turn on a flat curvy road. explain in which direction the car will go
An electron moving with a speed of 4.3 x 105 m/s in the positive x direction experiences zero magnetic force. Determine the components of the magnetic field (Bx, By, Bz).
An electron starts from rest 54.9cm from a fixed point charge with Q = -0.278uC. How fast will the electron be moving when it is very far away
A wheel rotates about a horizontal axis. It has an outerradius R1= 21.2 cm and mass M1=4.51 kg. what is the kinetic energy of the rotating wheel
If a iron core of a collapsing star initially spins with a rotational frequency of fo=3.4 per second and the core radius decrease during the collapse by a factor of 24. what is the rotational frequency of the iron core at the end of collapse
A flywheel with a radius of 0.500m starts from rest and accelerates with a constant angular acceleration of 0.500rad/s2. Compute the magnitude of the radial acceleration of a point on its rim after it has turned through 60.0
What is effectiveness of battery as an energy storage device
A merry-go-round accelerates from rest to 0.71 in 21. calculate the net torque required to accelerate it
A box of 300N weight is at rest at the bottom of the plank that is 5.00m long and rises 30 degrees above ground. find the velocity of the box at the top of the plank
suppose a photon of wavelength 0.1A is absorbed by an n=1 electron in potassium(Z=19) and the electron is removed from the atom. find the velocity of the electron
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