A Metal Ball Hangs from a String

Multiple Choice

A metal ball hangs from a string.An electric field of 15,000 N/C,pointing to the right,is then turned on.After the electric field is turned on,the ball hangs at a 25 degree angle away from the vertical.If the charge on the ball is 1.4 * 10^-5 C,what is the mass of the ball?

A) 49 g
B) 22 g
C) 52 g
D) 46 g
E) 37 g