A▬>Ehd -As shown in the figure above, a positively charged ball is placed at point A and slidesdown the slope from rest. The area has a uniform electric field E = 12.9 N/C,pointing to the right. The mass of the ball is m = 9 kg and the charge is q = +2.6 C.When the ball reaches point B, it travels horizontally there after. The height from A toB is h = 37 m and the horizontal distance between A and B is d = 30 m. You canignore friction and use g = 10 m/s for your calculation.%3DHow much is the kinetic energy of the ball when it reaches at B (in the unit of J)?Submit AnswerTries 0/2If the electric field ist changed to the opposite direction, How much is the kineticenergy of the ball when it reaches at B (in the unit of J) now?Submit AnswerTries 0/2What is the minimum strength of electric field E that can be used to stop the particleright at Point B?N/C

Answered: Image /qna-images/answer/d796e8a9-07db-4b2f-9148-ed2e9158b59f.jpg

K d-B As shown in the figure above, a positively charged ball is placed at point A and slides down the slope from rest. The area has a uniform electric field E = pointing to the right. The mass of the ball is m = 9 kg and the charge is q When the ball reaches point B, it travels horizontally there after. The height from A to B is h = 37 m and the horizontal distance between A and B is d = 30 m. You can 12.9 N/C, +2.6 C. %3D %3D ignore friction and use g = 10 m/s2 for your calculation. How much is the kinetic energy of the ball when it reaches at B (in the unit of J)? J Submit Answer Tries 0/2 If the electric field ist changed to the opposite direction, How much is the kinetic energy of the ball when it reaches at B (in the unit of J) now? Submit Answer Tries 0/2 What is the minimum strength of electric field E that can be used to stop the particle right at Point B? N/C

K d-B As shown in the figure above, a positively charged ball is placed at point A and slides down the slope from rest. The area has a uniform electric field E = pointing to the right. The mass of the ball is m = 9 kg and the charge is q When the ball reaches point B, it travels horizontally there after. The height from A to B is h = 37 m and the horizontal distance between A and B is d = 30 m. You can 12.9 N/C, +2.6 C. %3D %3D ignore friction and use g = 10 m/s2 for your calculation. How much is the kinetic energy of the ball when it reaches at B (in the unit of J)? J Submit Answer Tries 0/2 If the electric field ist changed to the opposite direction, How much is the kinetic energy of the ball when it reaches at B (in the unit of J) now? Submit Answer Tries 0/2 What is the minimum strength of electric field E that can be used to stop the particle right at Point B? N/C

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

A
▬
>E
h
d -
As shown in the figure above, a positively charged ball is placed at point A and slides
down the slope from rest. The area has a uniform electric field E = 12.9 N/C,
pointing to the right. The mass of the ball is m = 9 kg and the charge is q = +2.6 C.
When the ball reaches point B, it travels horizontally there after. The height from A to
B is h = 37 m and the horizontal distance between A and B is d = 30 m. You can
ignore friction and use g = 10 m/s for your calculation.
%3D
How much is the kinetic energy of the ball when it reaches at B (in the unit of J)?
Submit Answer
Tries 0/2
If the electric field ist changed to the opposite direction, How much is the kinetic
energy of the ball when it reaches at B (in the unit of J) now?
Submit Answer
Tries 0/2
What is the minimum strength of electric field E that can be used to stop the particle
right at Point B?
N/C

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