A small ball with charge q = 4.3 μC and mass m = 0.045 kg is suspended from the ceiling by a string of length L = 2 m and is initially at rest. A uniform horizontal electric field E of magnitude 500 V/m is applied to the ball-string system. The ball then begins to move. Ignore air resistance. a. Write an equation for the sum of forces in the direction of motion of the ball when it is at location C in terms of the given symbols. Take counterclockwise as positive. b. What would be the expression for tan(α) using the symbols? c. Find the value of α, in degrees.
A small ball with charge q = 4.3 μC and mass m = 0.045 kg is suspended from the ceiling by a string of length L = 2 m and is initially at rest. A uniform horizontal electric field E of magnitude 500 V/m is applied to the ball-string system. The ball then begins to move. Ignore air resistance. a. Write an equation for the sum of forces in the direction of motion of the ball when it is at location C in terms of the given symbols. Take counterclockwise as positive. b. What would be the expression for tan(α) using the symbols? c. Find the value of α, in degrees.
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A small ball with charge q = 4.3 μC and mass m = 0.045 kg is suspended from the ceiling by a string of length L = 2 m and is initially at rest. A uniform horizontal electric field E of magnitude 500 V/m is applied to the ball-string system. The ball then begins to move. Ignore air resistance.
a. Write an equation for the sum of forces in the direction of motion of the ball when it is at location C in terms of the given symbols. Take counterclockwise as positive.
b. What would be the expression for tan(α) using the symbols?
c. Find the value of α, in degrees.
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