andy runs 40 meters east in 5 seconds and then 100 meters west in 15 seconds his average velocity is?

Explanation:

Info given;

∵ 40 meters east in 5 seconds

∵ 100 meters west in 15 seconds

=>

=> Divided by;

=>

=>

Answer; 3 m/s

(Average velocity is; 3 m/s )

the temperature and the pressure affect solubility. temperature affects by changing the properties of the solvent. the increase in pressure increases solubility, the decrease in pressure decreases solubility.