Acyclist travels 20km in 4 hours. what speed did the cyclist cycle at?

Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground

The law of reflection states that the angle of reflection is equal to the angle of

In the illustration, which two simple machines are being used to enable the student to reach the door? a. inclined plane and pulley b lever and wheel-and-axle c pulley and lever d wheel-and axle and inclined plane