The Rock drops from a cliff for 5 seconds. It has an initial velocity of Om/s. It has a final velocity of 50m/s.

Which property of fossils allow scientists to determine the relative rock ages..

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.