Author Question: A -4.0-C charge is situated at the origin of an xy-coordinate system. Another -4.0 C charge is at y ... (Read 80 times)

theo · **on:** Jul 29, 2018

A -4.0-C charge is situated at the origin of an xy-coordinate system. Another -4.0 C charge is at y = 4.0 m. What is the electric potential at a point x = 3.0 m due to these two charges?

A) -3600 V
B) 3600 V
C) -4800 V
D) 4800 V
E) 0 V

Question 2

A ball is thrown horizontally from the top of a building. What will be its vertical displacement from the top of building 2.0 seconds after it leaves your hands?

A) 4.9 m
B) 9.8 m
C) 19.6 m
D) 40.2 m
E) 52.4 m