If energy cannot be created or destroyed, why doesn't the ball bounce back up to the same height it was dropped at?

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island