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An electron that has a velocity with x component 2.9 x 106 m/s and y component 3.7 x 106 m/s moves through a uniform magnetic field with x component 0.037 T and y component -0.20 T.
(a) Find the magnitude of the magnetic force on the electron.
(b) Repeat your calculation for a proton having the same velocity.
In the figure, a laser beam of power 5.10 W and diameter 2.20 mm is directed upward at one circular face (of diameter less than 2.20 mm) of a perfectly reflecting cylinder, What is the cylinder's height
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A certain electric extension cord has a resistance of 4.96 ?. Suppose it is replaced by an extension cord made of the same material. What is the resistance of the new cord
A thin film of acetone (n = 1.25) coats a thick glass plate (n = 1.50). White light is incident normal to the film. Calculate the thickness of the acetone film
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A doubly charged helium atom whose mass is 6.6 *10^-27 kg is accelerated by a voltage of 3000V, What will be its radius of curvature
a piece of angle iron is hinged at point a. determine the resultant torque at a due to the two acting forces. replace
A rescue helicopter lifts a 80 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2, How much work is done by the tension in the cable
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