A boat loaded with rocks is floating in a swimming pool. If the rocks are thrown into the pool, the water level in the pool, after the rocks have settled to the bottom,
A) falls. B) rises. C) stays the same.
Question 2
A ball is thrown straight upward. While it is moving upward, the ball's acceleration is
A) zero, i.e., the ball is not accelerating.
B) in the horizontal direction.
C) in the upward direction.
D) in the downward direction.
E) None of the above.