2 Points
What is the electric force acting between two charges of -0.0085 C and
-0.0025 C that are 0.0020 m apart?
k9,92
Use F
and k = 9.00 x 10°N-m/c2.

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples