Author Question: A charge of +80 C is placed on the x axis at x = 0 . A second charge of 50 C is placed on the x axis ... (Read 81 times)

Frost2351 · **on:** Jul 28, 2018

A charge of +80 C is placed on the x axis at x = 0 . A second charge of 50 C 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 C placed on the x axis at x = 30 cm?
a. 13 N
b. 77 N
c. 39 N
d. 25 N
e. 45 N

Question 2

A particle (charge = +40 C) is located on the x axis at the point x = 20 cm, and a second particle (charge = 50 C) is placed on the x axis at x = +30 cm. What is the magnitude of the total electrostatic force on a third particle (charge = 4.0 C) placed at the origin (x = 0)?
a. 41 N
b. 16 N
c. 56 N
d. 35 N
e. 72 N