h E V dB 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 = 175 N/C, pointing to the right. The mass of the ball is m = 45 kg and the charge is q = 2.8 C. When the ball reaches point B, it travels horizontally there after. The height from A to B is h = 44 m and the horizontal distance between A and B is d= 28 m. You can ignore friction and use g = 10 m/s² for your calculation.

h E V dB 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 = 175 N/C, pointing to the right. The mass of the ball is m = 45 kg and the charge is q = 2.8 C. When the ball reaches point B, it travels horizontally there after. The height from A to B is h = 44 m and the horizontal distance between A and B is d= 28 m. You can ignore friction and use g = 10 m/s² for your calculation.

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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Concept explainers

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

only type answer please

If the electric field is 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?

T
h
->E
d
АВ
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= 175 N/C, pointing to the right. The
mass of the ball is m = 45 kg and the charge is q = 2.8 C. When the ball reaches point B, it
travels horizontally there after. The height from A to B is h = 44 m and the horizontal distance
between A and B is d = 28 m. You can ignore friction and use g = 10 m/s² for your calculation.

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