m 10 B A positively charged particle is tied by a massless string and allowed to move on a smooth plane, as shown in the picture. A uniform magnet field B = 2 T is applied perpendicular to the plane pointing down. The length of the string is L = 50 cm. The mass of the particle is m = 55 k The charge on this particle is q = 0.6 C. The velocity of the motion is a constant v = 0.9265 m/s, in the clockwise direction when observing from above the plane. You can ignore friction. At a speed of v = 0.9265 m/s, how much is the Lorentz force (i.e. magnetic force) on the particle? (in units of Newton) Submit Answer Tries 0/2 To maitain the circular motion at this speed with a radius L, the net force Fnet on the particle is pointing to the center O. How much is Fnet? units of Newton) Submit Answer Tries 0/2 It is strongly recommended that you draw a free body diagram to answer the next two parts of the problem. How much is the tension in the string? (in units of Newton) Submit Answer Tries 0/2 If the particle moves in the opposite direction, but with the same speed v, how much is the tension in the string? (in units of Newton)

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 80P
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LV
A positively charged particle is tied by a massless string and allowed to move on a smooth plane, as shown in the picture. A uniform magnetic
field B = 2 T is applied perpendicular to the plane pointing down. The length of the string is L = 50 cm. The mass of the particle is m = 55 kg.
The charge on this particle is q = 0.6 C. The velocity of the motion is a constant v = 0.9265 m/s, in the clockwise direction when observing
from above the plane. You can ignore friction.
%3D
At a speed of v = 0.9265 m/s, how much is the Lorentz force (i.e. magnetic force) on the particle? (in units of Newton)
%3D
Submit Answer
Tries 0/2
To maitain the circular motion at this speed with a radius L, the net force Fnet on the particle is pointing to the center O. How much is Fnet? (in
units of Newton)
Submit Answer
Tries 0/2
It is strongly recommended that you draw a free body diagram to answer the next two parts of the problem.
How much is the tension in the string? (in units of Newton)
N
Submit Answer
Tries 0/2
If the particle moves in the opposite direction, but with the same speed v, how much is the tension in the string? (in units of Newton)
Transcribed Image Text:m LV A positively charged particle is tied by a massless string and allowed to move on a smooth plane, as shown in the picture. A uniform magnetic field B = 2 T is applied perpendicular to the plane pointing down. The length of the string is L = 50 cm. The mass of the particle is m = 55 kg. The charge on this particle is q = 0.6 C. The velocity of the motion is a constant v = 0.9265 m/s, in the clockwise direction when observing from above the plane. You can ignore friction. %3D At a speed of v = 0.9265 m/s, how much is the Lorentz force (i.e. magnetic force) on the particle? (in units of Newton) %3D Submit Answer Tries 0/2 To maitain the circular motion at this speed with a radius L, the net force Fnet on the particle is pointing to the center O. How much is Fnet? (in units of Newton) Submit Answer Tries 0/2 It is strongly recommended that you draw a free body diagram to answer the next two parts of the problem. How much is the tension in the string? (in units of Newton) N Submit Answer Tries 0/2 If the particle moves in the opposite direction, but with the same speed v, how much is the tension in the string? (in units of Newton)
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