Charge in an electric field: A point charge Q of mass 8.50 g hangs from the horizontal ceiling by a light 25.0-cm thread. When a horizontal electric field of magnitude 1750 N/C is turned on, the charge hangs away from the vertical as shown in the figure. The magnitude of Q is closest to
A) 27.5 µC.
B) 47.6 µC.
C) 55.0 µC.
D) 3.0 µC.
E) 3.5 µC.

Question

Charge in an electric field: A point charge Q of mass 8.50 g hangs from the horizontal ceiling by a light 25.0-cm thread. When a horizontal electric field of magnitude 1750 N/C is turned on, the charge hangs away from the vertical as shown in the figure. The magnitude of Q is closest to 
A) 27.5 µC. 
B) 47.6 µC. 
C) 55.0 µC. 
D) 3.0 µC. 
E) 3.5 µC.

Quizplus · Accepted Answer

The Answer of Charge in an electric field: A point charge Q of mass 8.50 g hangs from the horizontal ceiling by a light 25.0-cm thread. When a horizontal electric field of magnitude 1750 N/C is turned on, the charge hangs away from the vertical as shown in the figure. The magnitude of Q is closest to 
A) 27.5 µC. 
B) 47.6 µC. 
C) 55.0 µC. 
D) 3.0 µC. 
E) 3.5 µC.

Charge in an Electric Field: a Point Charge Q of Mass