Author Question: Three point charges are positioned on the x axis. If the charges and corresponding positions are +32 ... (Read 99 times)

vinney12 · **on:** Jul 28, 2018

Three point charges are positioned on the x axis. If the charges and corresponding positions are +32 mC at x = 0, +20 mC at x = 40 cm, and -60 mC at x = 60 cm, what is the magnitude of the electrostatic force on the +32-mC charge?
a. 84 N
b. 12 N
c. 36 N
d. 50 N
e. 48 N

Question 2

A charge of +80 mC is placed on the x axis at x = 0 . A second charge of -50 mC is placed on the x axis at x = 50 cm. What is the magnitude of the electrostatic force on a third charge of 4.0 mC placed on the x axis at x = 30 cm?
a. 13 N
b. 77 N
c. 39 N
d. 25 N
e. 45 N