In the ski jump, all skiers launch from the same location. What would cause them to have different amounts of potential energy?

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

The boiling point of liquids is very high what does it indicate

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change