A student leaves her physics classroom and walks 10 meters north to a drinking fountain. Then she turns around and walks 30 meters south to her history classroom. What is the student's total displacement from the physics classroom to the history classroom

The answer to your is is c motion and shape

Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of  electromagnetic  energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.

Answer (d) valerie rides her bike south at 8 kilometers per hour///owen jogs south at 8 kilometers per hour ;