C | gn.net/web/Student/Assignment-Responses/last?dep-17876718 nsion Requests Pri

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C | gn.net/web/Student/Assignment-Responses/last?dep-17876718 nsion Requests Print Assignment Question 1 23 4 5 6789 10 11 12 13 14 15 16 17 10 -10-120-30 -120-20 -4-15 -10 -10 -120 -30-120-120 -1015-120 Points nment Submission this assignment, you submit answers by question parts. The number of submissions remaining for each question part o gnment Scoring r last submission is used for your score. o10 points SerCP11 15.P.001 A 7.17-nC charge is located 1,91 m from a 4.58-nC point charge. (a) Find the magnitude of the electrostatic force that one charge exerts on the other (b) Is the force attractive or repulsive? attractive repulsive Need Help? Read It + -/10 points SerCP11 15. P006 A molecule of DNA (deoxyribonucleic acid) is 2.0S um long. The ends of the molecule become singly i Type here to searc

Explanation / Answer

Solution to SerCP11 15P001

Given,

q1 = 7.17 nC ; q2 = 4.58 nC ; r = 1.91 m

a)We know that the electrostatic force is given by:

F = kq1q2/r^2

F = 9 x 10^9 x 7.17 x 10^-9 x 4.58 x 10^-9/1.91^2 = 81.01 x 10^-9 N

F = 81.01 x 10^-9 N

b)Since the charges are of same polariity, it is:

repulsive

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