Imagine you have four identical charge q, placed on the corners of a square. If q = 14.77 uC, then the side of the square is s = 13.04 cm, calculate the energy needed to bring these charges from infinity to their current configuration. NOTE: Final answer in THREE decimal places. Then, state the SI unit of the variable being sought off. Add your answer Continue

Imagine you have four identical charge q, placed on the corners of a square. If q = 14.77 uC, then the side of the square is s = 13.04 cm, calculate the energy needed to bring these charges from infinity to their current configuration. NOTE: Final answer in THREE decimal places. Then, state the SI unit of the variable being sought off. Add your answer Continue

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 101P: In this exercise, you practice electric field lines. Make sure you represent both the magnitude and...

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In this exercise, you practice electric field lines. Make sure you represent both the magnitude and direction of the electric field adequately. Note that the number of lines into or out of charges is proportional to the charges. (a) Draw the electric field lines map for two charges +20C and 20C situated 5 cm from each other. (b) Draw the electric field lines map for two charges +20C and +20C situated 5 cm from each other. (c) Draw the electric field lines map for two charges +20C and 30C situated 5 cm from each other.
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) Imagine adding electrons to the pin until the negative charge has the very large value 1.00 mC. How many electrons are added for every 109 electrons already present?
(a) How strong is the attractive force between a glass rod with a 0.700 C charge and a silk cloth with a 0.600 C charge, which are 12.0 cm apart, using the approximation that they act like point charges? (b) Discuss how the answer to this problem might be affected if the charges are distributed over some area and do not act like point charges.
Common static electricity involves charges ranging from nanocoulombs to microcoulombs. (a) How many electrons are needed to folm a chalge of 2.00 nC? (b) How many elections must be removed from a neutral object to leave a net chalge of 0.500 C ?
A water molecule consists of two hydrogen atoms bonded with one oxygen atom. The bond angle between the two hydrogen atoms is 104( (see below). Calculate the net dipole moment of a water molecule that is placed in a uniform, horizontal electric field of magnitude 2.3108N/C . (You are missing some information for solving this problem; you will need to determine what information you need, and look it up.)
Imagine you have four identical charge q, placed on the corners of a square. If q = 14.77 uC, then the side of the square is s = 13.04 cm, calculate the energy needed to bring these charges from infinity to their current configuration. NOTE: Final answer in THREE decimal places. Then, state the SI unit of the variable being sought off. Add your answer
How much energy (in J) is stored by the electric field between two square plates, of side 9.0 cm, separated by a 1.7 mm air-gap? The charges on the plates are equal and opposite and of magnitude 366 uC. Enter your answer without a decimal point, e.g. 543 - Do NOT include units in your answer. Type your answer.
Directions: Read and carefully analyze the given problems. Be sure to identify all the given and unknown quantities. Given: ? Formula with solutions: ? Answer with correct unit: ? 1. Two charges +3µC and +12µC are fixed 1 m apart, with the second one to the right. Find the magnitude and direction of the net force on a -2-nC charge when placed at the following locations:] (a) halfway between the two (b) half a meter to the left of the +3µC charge (c) half a meter above the +12µC charge in a direction perpendicular to the line joining the two fixed charges
Two charges Q1= -29 pC and Q2= 45 µC are placed on the two corners of a square as shown in the figure below. If the side length of the square is a=26 mm, how much work is required to bring a third charge, Q3= 15 µC from infinitely far away to the empty bottom-right corner of the square? Please take k = 9.0 x 109 N.m2/c2 and express your answer using one decimal place in units of Jor N.m. Please do not forge: to type the minus sign if you got a negative value. a Q1 a а Q2 a
Copy of Two charges Q1-24uc and Q41uC are placed on a semi-circle with a radius R-14mm as shown in the figure below. How much work must be done to bring a third charge Q-Suc from infinity to point P. Express your answer in units of joules using zero decimal places. Take Coulomb constant as ke9.0x10° N.m2ic2, Please do not forget the minus sign if your answer is negative. R Q1
Imagine you have four identical charge q, placed on the corners of a square. If q = 6.49 nC, then the side of the square is s = 19.22 cm, calculate the net electric force acting on the charge at the upper right corner. NOTE: Final answer in FIVE decimal places. Then, state the SI unit of the variable being sought off. Add your answer
Two charges Q1=20µC and Q2=26µC are placed on a semi-circle with a radius R=10mm as shown in the figure below. How much work must be done to bring a third charge Q3=-9µC from infinity to point P. Express your answer in units of Joules using zero decimal places. Take Coulomb constant as k=9.0x109 N.m2/c2. Please do not forget the minus sign if your answer is negative. Q2 R Q1 *P R