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We accelerate electrons between two parallel plates a few cm apart. We apply 2.05 MV across the plates. When an electron begins at rest at one plate, it arrives at the other plate with a kinetic energy of 2.05 MeV.
(a) Find the velocity of the electron
(b) Find the momentum of the electron
The electric field between the plates is equal to 2.15 MV/m. This produces a constant force of 3.44e-13 N on the electron as it travels from one plate to the other.
(c) Find the amount of time it takes for the electron to travel from one plate to the other Remember that the force is the time derivative of the momentum.
The Saturn's ring has a diameter of about 2.00x10^5km and the distance between the Earth and the Saturn is 1.40x10^9km. Based on your calculation on resolution power, will the ring be visible in telescope.
A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck, find the speed of the ball just before it lands
If 3.43×10^8 electrons flow through the ground wire to Earth and the ground wire is then removed, what is the net charge on the electroscope.
The components of a simplest clamping circuit.
At the intersection of Texas Avenue and University Drive, a yellow, subcompact car with mass 800kgtraveling east on University collides with a maroon pickup truck with mass 1850kg, Calculate the speed of the car before the collision
Timberland’s incremental tax rate is 30%. Prepare a budgeted income statement assuming that Timberland sells 2,500 tons. Illustrate what is the contribution margin per ton?
The box has a mass of 31.0 kg, and the coefficient of kinetic friction between the box and floor is 0.530. The acceleration of gravity is 9.81 m/s2. Illustrate what is the acceleration of the box?
A string is attached to a rigid support and the cylinder allowed to drop from rest. Find out the acceleration of the cylinder.
A galvanometer with a full-scale sensitivity of 700?A and a coil resistance of 58? is to be used to build an ammeter designed to read 10A at full scale
A bowling ball weighing 71.2 is attached to the ceiling by a 3.50 rope. The ball is pulled to one side and released; it then swings back and forth like a pendulum. As the rope swings through its lowest point, speed of the bowling ball is measured a..
A car drives straight off the edge of a cliff that is 60 m high. The police at the scene of the accident observed that the point of impact is 134 m from the base of the cliff. How fast was the car traveling while it went over the cliff.
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
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