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An electron entered a parallel-plate capacitor with the speed 5x10^5 m/s horizontally. The electric field is perpendicular to the direction of the initial velocity of the electron. The electron rest mass is about 9x10^-31 kg. The charge of an electron is about 1.6x10^-19 C. Assume that the electric field of the capacitor deflected the electron by 2 cm at the point where the elctron exits the capacitor and the magnitude of the electric field is 40 N/C. What is the distance traveled by the electron along its initial direction between the capacitor plates?
A parallel plate vacuum capacitor is connected to a battery and charged until the stored electric energy is u, Find u, the energy dissipated in the resistor
If F(r) is the force on an object as a function of of radius r, show that the "tidal" force on an object of lenght delta r is delta F= (dF/dr)delta r
A 95 long train begins uniform acceleration from rest. The front of the train has a speed of 25 while it passes a railway worker who is standing 170 from where the front of train started. What will be the speed of the last car as it passes the wor..
A ship sets out to sail to a point 148 km due north. An unexpected storm blows the ship to a point 148 km due east of its starting point. (a) How far (in km) and (b) in what direction (as an angle from due east, where north of east is a positive angl..
Illustrate what is the time necessary for crossing if the hunter wishes to move neither upstream nor downstream whilst crossing the river? Draw the vectors to scale on a graph to determine the answer.
A sphere of mass 3.00 g is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 28.0° with the vertical. Determine the tension in the cord
in 1910 rutherford performed a classic experiment in which he directed a beam of alpha particles at a thin gold foil.
A vertical spring has one end attached to the ceiling and a 2.50-kg fish attached to the other one. find how fast the fish is moving after it drops 20.0 cm
Suppose this rod can expand in sections like an umbrella shaft. Calculate the final angular speed if it expands in a totaly length of 2.0 m while rotating, assuming its angular momentum is conserved
q1. a person whose eyes are h 1.64 m above the floor stands l 2.3 m in front of a vertical plane mirror whose bottom
M1 is five times more massive than M2. One force acts on the hanging mass, but the net force acts on both masses. Once you have the acceleration, you can compute the distance.
An electron of mass 9.11 10-31 kg has an initial speed of 2.80 105 m/s. Determine the magnitude of the force exerted on the electron
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