An object accelerates uniformly from rest to a speed of 50 meters per second in 5.0 seconds. The average speed of the object during the 5.0 second interval is

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction