A small ball with a mass of 40 g and a charge of -0.3 $\mu$C is suspended from the ceiling on a string.The ball is suspended above an insulating floor.If a second small ball with a mass of 50 g and a charge of 0.6 $\mu$C is placed on the floor directly beneath the first ball and the tension in the string is 1.0 N,what is the distance between the first ball and the insulating floor?
A)8.3 cm
B)7.0 cm
C)5.2 cm
D)5.7 cm
E)6.4 cm

Question

A small ball with a mass of 40 g and a charge of -0.3  $\mu$C is suspended from the ceiling on a string.The ball is suspended above an insulating floor.If a second small ball with a mass of 50 g and a charge of 0.6  $\mu$C is placed on the floor directly beneath the first ball and the tension in the string is 1.0 N,what is the distance between the first ball and the insulating floor?
A)8.3 cm
B)7.0 cm
C)5.2 cm
D)5.7 cm
E)6.4 cm

Quizplus · Accepted Answer

The Answer of A small ball with a mass of 40 g and a charge of -0.3  $\mu$C is suspended from the ceiling on a string.The ball is suspended above an insulating floor.If a second small ball with a mass of 50 g and a charge of 0.6  $\mu$C is placed on the floor directly beneath the first ball and the tension in the string is 1.0 N,what is the distance between the first ball and the insulating floor?
A)8.3 cm
B)7.0 cm
C)5.2 cm
D)5.7 cm
E)6.4 cm

A Small Ball with a Mass of 40 G and a Charge