Asked by Matt
a ball with a mass of 0.150 g and positive charge of q=41.2 C is suspended on a string of negligible mass in a uniform electric field. We observe that the ball hangs at an angle of =22.0o from the vertical. What is the magnitude of the electric field?
Answers
Answered by
Damon
force down on ball = m g
m = .15*10^-3 = 1.5*10^-4 kg
g = 9.81
I assume E is horizontal ?
Force sideways on ball = q E
tan 22 = qE / mg
m = .15*10^-3 = 1.5*10^-4 kg
g = 9.81
I assume E is horizontal ?
Force sideways on ball = q E
tan 22 = qE / mg
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