A 6.75 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 490 N/C. As a result, the ball has moved 8 cm from the vertical. a. What is the charge (include polarity) of the ball? q= b. What is the tension in the thread? FT=
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A 6.75 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 490 N/C. As a result, the ball has moved 8 cm from the vertical.
a. What is the charge (include polarity) of the ball?
q=
b. What is the tension in the thread?
FT=
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