Abikes brakes apply 125 newton’s of a frictional force to the wheels as the bike moves 14 meters how much work do the brakes do

The density of a planet is 0.69 g/cm3 (density of water is 1.0 g/cm3). which of the following planets might this be? a. mercury b. venus c. saturn d. mars

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

Is powdered sports drink ionic or covalent ? 10pts !