A skateboarder with a mass of 72 kg is resting at the top of a ramp that is 16 meters high. The skater drops in and goes down the ramp. How fast will the skateboarder be going at the bottom of the ramp? )

Amethod of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.

If your workout exceeds an hour you should substitute "a sports drink" for water.hope my answer has you : )

Two cars collide, lock bumpers and move together after the collision.this collision is known as perfectly inelastic collision.