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A small, 2.00-g plastic ball is suspended by a 25.0-cm-long string in a uniform electric field as shown in the figure below. If the ball is in equilibrium when the string makes a 13.4° angle with the vertical, what is the net charge on the ball? PC 8 E=1.00 x 10³ N/C m= 2.00 g

A small, 2.00-g plastic ball is suspended by a 25.0-cm-long string in a uniform electric field as shown in the figure below. If the ball is in equilibrium when the string makes a 13.4° angle with the vertical, what is the net charge on the ball? PC 8 E=1.00 x 10³ N/C m= 2.00 g

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A small, 2.00-g plastic ball is suspended by a 25.0-cm-long string in a uniform electric field as shown in the figure below. If the ball is in equilibrium when the string makes a 13.4° angle with the vertical, what is the net charge on the ball? μC 0+ E 1.00 × 10³ N/C L m= 2.00 g
Transcribed Image Text:A small, 2.00-g plastic ball is suspended by a 25.0-cm-long string in a uniform electric field as shown in the figure below. If the ball is in equilibrium when the string makes a 13.4° angle with the vertical, what is the net charge on the ball? μC 0+ E 1.00 × 10³ N/C L m= 2.00 g
A uniformly charged disk of radius 35.0 cm carries a charge density of 7.20 x 10-³ C/m². Calculate the electric field on the axis of the disk at the following distances from the center of the disk. (a) 5.00 cm (b) 10.0 cm (c) 50.0 cm (d) 200 cm MN/C MN/C MN/C MN/C
Transcribed Image Text:A uniformly charged disk of radius 35.0 cm carries a charge density of 7.20 x 10-³ C/m². Calculate the electric field on the axis of the disk at the following distances from the center of the disk. (a) 5.00 cm (b) 10.0 cm (c) 50.0 cm (d) 200 cm MN/C MN/C MN/C MN/C
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