Two point charges of +5 µC are so placed that they experience a force of 80 × 10-3 N. They are then moved apart, so that the force is now 2.0 × 10-3 N. The distance between them is now
A. 1/4 the previous distance
B. double the previous distance
C. four times the previous distance
D. half the previous distance
Answer:B
Two point charges of +5 µC are so placed that they experience a force of 80 × 10-3 N. They are then moved apart, so that the force is now 2.0 × 10-3 N. The distance between them is now
A. 1/4 the previous distance B. double the previous distance C. four times the previous distance D. half the previous distance