George ran 54 meters to the right and then turned around and ran 38 meters back to the left. What is his total displacement?

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?

The integral design hub incorporates thento the bearing unit. n a. cv joint n b. mounting carrier n c. brake rotor n d tie rod end

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?