A tiny ball of mass 0.60g is suspended from a rigid support with a piece of thread in a horizontal field of intensity 700N/C.The ball is in equilbrum when the thread is inclined at an angle of 20^(0) to the vertical.What are the magnitude and sign of the charge on the ball?take g=9.8m/s-2 (a)(-)0.0000031C (b)0.0000032C(c)0.0000042C(d)(-)0.0041C
2 answers
0041
Solution