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At t = 0 a very small object with mass 0.400 mg and charge

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 74P Chapter 21

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 74P

At t = 0 a very small object with mass 0.400 mg and charge +9.00 µC is traveling at 125 m/s in the ?x-direction. The charge is moving in a uniform electric field that is in the +y-direction and that has magnitude E = 895 N/C. The gravitational force on the particle can be neglected. How far is the particle from the origin at t = 7.00 ms?

Step-by-Step Solution:

Solution 74P Step 1 of 4: We have to find the force on the charged particle due to the electric field. Then using Newton’s second law we can find acceleration and the constant acceleration kinematics formulas to find the components of the distance it moves. The electric force on a charged particle along xc axis is F =xqE x According to Newtons secnd law , The force along x axis F = ma x x 1 2 Acceleration is constant in x direction so, we can use kinematic eqn, x x = v t + a0 0x 2 Step 2 of 4: The only non zero acceleration in the y direction so a = 0 x F y F =yqE y and F = my y so, a y m The electric force along y axis , 6 3 F =y(9 × 10 C)(895 N/C) = 8.055 × 10 N

Step 3 of 4

Chapter 21, Problem 74P is Solved
Step 4 of 4

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

The answer to “At t = 0 a very small object with mass 0.400 mg and charge +9.00 µC is traveling at 125 m/s in the ?x-direction. The charge is moving in a uniform electric field that is in the +y-direction and that has magnitude E = 895 N/C. The gravitational force on the particle can be neglected. How far is the particle from the origin at t = 7.00 ms?” is broken down into a number of easy to follow steps, and 68 words. The full step-by-step solution to problem: 74P from chapter: 21 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. University Physics was written by and is associated to the ISBN: 9780321675460. This textbook survival guide was created for the textbook: University Physics, edition: 13. This full solution covers the following key subjects: Charge, direction, particle, moving, Field. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. Since the solution to 74P from 21 chapter was answered, more than 360 students have viewed the full step-by-step answer.

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