Kaitlin uses a bat to hit a thrown baseball. She knocks the ball back in the direction from which it came in an inelastic collision. The bat, which is heavier than the baseball, continues to move in the same direction after the hit as Kaitlin follows through.. Is the ball moving faster before or after it was hit?
a. The ball was moving faster before it was hit.
b. The ball was moving faster after it was hit.
c. The ball was moving at essentially the same speed before and after the hit.
d. There is insufficient information to answer this problem.
Question 2
An initially uncharged hollow metallic sphere with radius of 5 cm has a small object with a charge of -10 C carefully placed at the center of the sphere through a hole in the latter's surface. With the charge in place, what charge is now present on the outside surface of the sphere?
a. zero
c. +4000 C
b. -10 C
d. +10 C
Eye ball perfectly labelled (map)
Posteroanterior direction
Internal structures at the back of the eye.
Major back and shoulder muscles.
Locations of key energy meridians and acupoints for the back, shoulder, arm, neck, head, and face.
Ball Illusion