Choose True or False. If False, choose the statement that makes it True. An electromagnetic wave is a longitudinal wave that is formed when electric charges vibrate and travel through space, where there is no matter.

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?