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An electron is accelerated through a potential difference of V=3.8.
(1) Find the change in the electron potential energy?
(2) If the electron started from rest, find what is its final velocity?
A particle with charge 2.8 C moves through a uniform magneticfield. At one instant the velocity of the particle is (1.4 i +1.2 j + 0.48 k) m/s and the magnetic force on the particle is(11.9 i - 14.1 j + 1.57 k) N.
some scientists believe that the collision of one or more large asteroids with the earth was responsible for the
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If the index of refractions of the red light is 1.4925, what is the index of refraction of the blue light?
a 3.00 x 10^-3 kg lead bullet travels at a speed of 2.4 x10^2 m/s and hits a wooden post. what is the increase in temperature of the embedded bullet
Suppose a 32.3 V battery is connected to a long cylindrical wire, and a current of 2.44 A flows. Find the work done by this battery to push one electron through the entire length of the wire
The force exerted by the wind on the sails of a sailboat is Fsail = 480 Newton north. obtain the magnitude and direction of its acceleration
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question the average distance between mars and earth is about 1.3 x 108 miles. how long would it take tv pictures
The body of a 1284 kg car is supported on a frame with four springs. The spring constant of a single spring is 1.90×104 N/m. Four people riding in the car have a combined mass of 247 kg.
One gallon of gasoline contains 3.1 107 calories of potential energy that are released during combustion. what is the average force produced by the gasoline
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