EWeaver+Lab+9

a) Yes b) Acceleration is the hardest because you can't really control the position of the ball. c) Position = .90 seconds. Velocity = 6.1 seconds. Acceleration = 14.7 seconds.
 * 3.2**

When the balls are close to each other they speed up toward each other in both attraction and repulsion. When attraction is turned on it continues to pull the ball closer, but when in repulsion the balls push away from each other.
 * 4.2**

a) The ball moves towards the mouse when in attraction, and away from it when in repulsion. b) No, sometimes the acceleration has an affect and the ball responds different than expected. c) Attraction: 1.24 seconds. Repulsion: 1.37 seconds.
 * 4.3**

He found a relationship between time and displacement using objects on an incline plane. The relationship he found was velocity.
 * Illustration 3.2**