PHL 302 Lecture : Pain (Buddhism:Jainism) 9:25:13.pdf

If the rectangular coordinates of a point are given by(10, y), and its polarcoordinates are (r, 44°),determine the value of y and r.

If the rectangular coordinates of a point are given by (8, y), andits polar coordinates are (r, 25°), determine the value of y andr.

y=
r=

A sherical shell of radius R has a charge Q spread outuniformaly on its surface. the center of the shell is at theorigin. a point charge -Q is located at (x=2R, y=0). find theelectric field (direction and magnitude) at (x=R, y= R).