If we place another identical ball onto the table, the situation changes .Now there is one ball with energy, and one that is not moving ( its peed is 0m/s Calculate the total thermal energy of the system by adding the energy of each ball

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.