Question

1.Distinguish between displacement and distance.
2.Convert distance 20 um into nm.​

Answer 1

Answer:

1) distance- the actual path cavered by an object is called distance.

displacement- the shortest distance between initial and final position is called as displacement.

I am sorry , i cant help with 2nd answer

Answer 2

Answer:

Distance is a scalar quality that refers to "how much ground an object has covered" during its motion.

Displacement is a vector quantity that refers to "how far out of place and object iss"; it is the objects overall change in the position