What is the centripetal force acting on the ball? A ball that has a mass of 0.25 kg spins in a circle at the
end of a 1.6 m rope. The ball moves at a tangential
speed of 12.2 m/s.
0 19 N
0 23 N
59 N
93 N
w

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