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Alayna1037
21.09.2019 •
Mathematics
Particle 1 of charge q1 �� ��5.00q and particle 2 of charge q2 �� ��2.00q are fixed to an x axis. (a) as a multiple of distance l, at what coordi- nate on the axis is the net electric field of the particles zero?
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Ответ:
Assuming that the particle is the 3rd particle, we know that it’s location must be beyond q2; it cannot be between q1 and q2 since both fields point the similar way in the between region (due to attraction). Choosing an arbitrary value of 1 for L, we get
k q1 / d^2 = - k q2 / (d-1)^2
Rearranging to calculate for d:
(d-1)^2/d^2 = -q2/q1 = 0.4
d^2-2d+1 = 0.4d^2
0.6d^2-2d+1 = 0
d = 2.72075922005613
d = 0.612574113277207
We pick the value that is > q2 hence,
d = 2.72075922005613*L
d = 2.72*L
Ответ:
216
Step-by-step explanation:
Use the multiples of 27:
27, 54, 81, 108, 135, 162, 189, 216
↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑
×1 ×2 ×3 ×4 ×5 ×6 ×7 ×8
I am joyous to assist you anytime.