A small, 0.5 g plastic ball carrying a charge 6.3µc is suspended by a 30 cm long string in a uniform electric field If the ball is in equilibrium when the 0=15°, the magnitude of E= 15.0°- Select one: O a. 0.2 N/c O b. 2.96 N/c O c. 1.07 X 10^(-4) N/c d. 212 N/c e. 2962 N/c

A small, 0.5 g plastic ball carrying a charge 6.3µc is suspended by a 30 cm long string in a uniform electric field If the ball is in equilibrium when the 0=15°, the magnitude of E= 15.0°- Select one: O a. 0.2 N/c O b. 2.96 N/c O c. 1.07 X 10^(-4) N/c d. 212 N/c e. 2962 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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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

A small, 0.5 g plastic ball carrying a charge 6.3pc is suspended by a 30 cm long string in a uniform electric field If the ball
is in equilibrium when the 0=15° , the magnitude of E=
15.0°
Select one:
O a. 0.2 N/c
O b. 2.96 N/c
O c. 1.07 X 10^(-4) N/c
d. 212 N/c
e. 2962 N/c

The circuit in the figure has 5 resistors and 2 ideal batteries. What is the magnitude of the current in the 4-ohm resistor?
10
12 V
6 V
Select one:
O a. 1.5 A
Ob. 1.8 A
O c. 1.2 A
O d. 4.5 A
O e. 2.6 A

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NU PHYS101C: Physic I(F ... Nile University Question 19 A small, 2 g plastic ball carrying a charge q = - 50µC is suspended by a 20 cm long string in a uniform electric field. If the ball is in equilibrium when 0= 60°, then E = Not yet answered Marked out of 1.00 P Flag question 20.0 cm M= 2.00 g Select one: O a. 6.79 (-i) O b. 6.79 (i) O . 2.26 () O d. 2.26 (-i) O e. 2.26 (i) P Type here to search Ps Lr 立

23. Model the dome of a Van de Graaff generator as a uniformly charged spherical shell of radius 0.250 m bearing a charge of +1.50 μC. If an electron undergoes uniform circular motion around the dome and 0.300 m above the surface of the dome, what is the speed of the electron? (A) 4.63×107 m/s (B) 5.11×107 m/s (C) 5.55×107 m/s (D) 6.04×107 m/s (E) 6.56×107 m/s
A point charge of -5µC is located at x = 4 m, y = -2 m. A second point charge of 12µC is located at æ =1 m, y = 2 m. What is the magnitude of the electric field at x = -1 m, y = 0? А. — 12.9 N/C B. –12.9 kN/C С. 12.9 N/C D. 12.9 kN/C
A small, 2 g plastic ball carrying a charge 5c is suspended by a 20 cm long string in a uniform electric field If the ball is in equilibrium when the 0=15° , the magnitude of E= E 15.0° Select one: O a. 1 N/c b. 2952000 N/C O c. 1X 10^(-3) N/c O d. 1000 N/c O e. 0.1 N/c
1. A straight wire AB of length 40 cm is charged 20 µC. Both ends wires A and B are located at coordinates A (-40.0) and B (0.0). Point P is at 30 cm above point B (0.30). Determine: a. Electric field at P due to charged straight wire. b. Electric force experienced by Q = +10-7C when it is located at P. 30 ст 40 сm