It is not recommended by the us epa , but adding refrigerant to the leaking a/c system is:

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.