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An electron is shot into one end of a solenoid. As itenters the uniform magnetic field with in the solenoid, its speedis 840 m/s and its velocityvector makes an angle of 30° with the central axis of the solenoid. The solenoid carries 4.5 A and has 8000 turns along its length.How many revolutions does the electron make along its helical pathwithin the solenoid by the time it emerges from the solenoid'sopposite end? (In a real solenoid, where the field is not uniformat the two ends, the number of revolutions would be slightly lessthan the answer here.)
In many locations, such as Lake Washington in Seattle, floating bridges are preferable to conventional bridges. Such a bridge can be constructed out of concrete pontoons, which are essentially concrete boxes filled with air, Styrofoam, or another ..
The blades in a blender rotate at a rate of 6900rpm. What is the angular acceleration as the blades slow down
A 400 gram block, attached to the end of an ideal srping(horizontally) with the force constant k=10N/m, obtain the Angular frequency of Oscillation
Two forces are applied to a car in an effort to accelerate it. The first force, F1 = 328 N, is applied at an angle α = 35° to the forward dashed line. The second force, F2 = 544 N, is applied at an angle β = 8° to the forward dashed line. (a) What is..
a small object is released from rest and falls 1.00 times 102 feet near the surface of the earth. neglect air
A balsa-wood raft has the following dimensions: L=2.34m , W= 1.35m , H= 0.65m. if the mass of an average person is 72.5kg, how many people can the raft safely support
An object 1,75 cm high is placed 36 cm in front of a concave mirror of focal length 12 cm. Calculate the image distance and image hight mathematically; state if the image is real or virtual and include a ray diagram in your answer.
A uniform plate of height 1.170 m is cut in the form of a parabolic section. The lower boundary of the plate is defined by: y = 1.600 x2. Find the moment of inertia of the plate about the y-axis
The partnership earnings before partners' withdrawals for 2005 totaled $484000. Calculate José's gross income from the partnership from the above for 2005.
The length of a certain wire is doubled and at the same time it's radius is reduced by a factor of 2
What would be the nature and height of the image?
When light is incident on a surface the critical angle is 40.0 degrees. The two materials are air and glass. What is the polarization angle for this light
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