- A Small Charged Plastic Ball Of Mass M 2 00 G Is Suspended By A Stringies Of Length L 40 0 Cm In A Uniform Electric Fiel 1 (78.3 KiB) Viewed 36 times
A small charged plastic ball of mass m=2.00 g is suspended by a stringies of length L=40.0 cm in a uniform electric fiel
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A small charged plastic ball of mass m=2.00 g is suspended by a stringies of length L=40.0 cm in a uniform electric fiel
A small charged plastic ball of mass m=2.00 g is suspended by a stringies of length L=40.0 cm in a uniform electric field E=5.00×103 N/C, as shown in the Figure. The ball is in equilibrium when the string makes a θ=30∘ angle with the vertical as indicated. a) Write the equation for calculating the charge q of the ball. [60\%] b) The charge of the ball should be positive or negative? [20\%] c) Calculate the magnitude of the charge on the ball. [20\%]
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