The electromagnectic wave that makes up the colors of the rainbow as seen after a storm

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?

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

A( developed during the process of technology design