In table tennis returning to serve takes quick movement that combines balance coronation costume rations for player need some coaching on technique to become better at returning serves one suggestion might be
Hold the paddle arm lower for faster reaction time
Keep the knees bent for agile movement to occur
Stand perpendicular to the net
Start with the paddle in the non-dominant hand

Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k

What is an example of static friction