Asked by roudha
Three point charges are located on the x-axis. The first charge, q1 = 10.0 µC, is at x = -1.00 m; the second charge, q2 = 20.0 µC, is at the origin; and the third charge, q3 = -30.0 µC, is located at x = 2.00 m. Which charge is subjected to the force of greatest magnitude?
q1
q2
q3
q1 and q2 (equal)
q2 and q3 (equal)
q1
q2
q3
q1 and q2 (equal)
q2 and q3 (equal)
Answers
Answered by
bobpursley
net force on q1: kq1q2/1^2+kq1q2/3^2= k(10*20)/1+k(10(-30))/9
= k 200-33 to left Ignoring units
net chage on q2: kq2q1/1^2 +kq2q3/2^2= 200k (to left) +600k/4 to right
= k150 to left
net force on q3= kq3q1/9 (to left) + kq3q2/4
= k30/9 to left + k600/9 (to left) + k30*20/4 to left
= k217 to left
check my math and direction of forces
= k 200-33 to left Ignoring units
net chage on q2: kq2q1/1^2 +kq2q3/2^2= 200k (to left) +600k/4 to right
= k150 to left
net force on q3= kq3q1/9 (to left) + kq3q2/4
= k30/9 to left + k600/9 (to left) + k30*20/4 to left
= k217 to left
check my math and direction of forces
Answered by
jj
u didnt convert uC to C ^^^^^^^^^^
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