A small 12.6 g plastic ball is tied to a very light 28.4 cm string that is attached to the vertical wall of a room.
A small 12.6 g plastic ball is tied to a very light 28.4 cm string that is attached to the vertical wall of a room. (See the figure (Figure 1).) A uniform horizontal electric field exists in this room. When the ball has been given an excess charge of -1.10μC , you observe that it remains suspended, with the string making an angle of 17.4° with the wall.
Part A
Find the magnitude of the electric field in the room.
Part B
Find the direction of the electric field in the room.
to the right
to the left
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A small 12.6 g plastic ball is tied to a very light 28.4 cm string that is attached to the vertical wall of a room.
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__µC
Figure P15.50
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__µC
Figure P15.50
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