Question

Two persons are moving along same straight line AB and approaching each other with the velocities 7m/s and 3m/s. Find the relative velocities of each person with respect to the other.


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Answer 1

Answer:

Gases are less dense than solids and liquids because their molecules are far apart in comparison to solids and liquids. Density is volume mass . The greater the volume mass , the more dense the material is. Because the molecules of a gas are spread apart, they have the least volume mass , and are therefore less dense.

Explanation:

Answer 2

Answer:

Raoult's law is a relation of physical chemistry, with implications in thermodynamics. Proposed by French chemist François-Marie Raoult in 1887, it states that the partial pressure of each component