A 2.25 kg ball hangs by a 17 cm long thread between two oppositely charged parallel plates as shown below. The plates create a uniform horizontal E-field of 294 N/C. As a result, the ball has moved 8 cm from the vertical. (NOTE: Calling the E-field "uniform" means it's the exact same everywhere between the plates.) 17 cm 8 cm Determine the charge (include polarity) of the ball. q= Determine the tension in the thread. FT = Determine the polarity of each plate. You will not receive credit until you have correctly selected the polarities of both plates. left plate right plate positive negative

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A 2.25 kg ball hangs by a 17 cm long thread between two oppositely charged parallel plates as shown below. The plates create a uniform
horizontal E-field of 294 N/C. As a result, the ball has moved 8 cm from the vertical. (NOTE: Calling the E-field "uniform" means it's the exact
same everywhere between the plates.)
17 cm
F
8 cm
Determine the charge (include polarity) of the ball.
q=
Determine the tension in the thread.
F₁ =
Determine the polarity of each plate. You will not receive credit
until you have correctly selected the polarities of both plates.
left plate positive
right plate negative
Transcribed Image Text:A 2.25 kg ball hangs by a 17 cm long thread between two oppositely charged parallel plates as shown below. The plates create a uniform horizontal E-field of 294 N/C. As a result, the ball has moved 8 cm from the vertical. (NOTE: Calling the E-field "uniform" means it's the exact same everywhere between the plates.) 17 cm F 8 cm Determine the charge (include polarity) of the ball. q= Determine the tension in the thread. F₁ = Determine the polarity of each plate. You will not receive credit until you have correctly selected the polarities of both plates. left plate positive right plate negative
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