A Cork Floats in Water in a Bucket Resting on the Floor

Multiple Choice

A cork floats in water in a bucket resting on the floor of an elevator. The elevator then accelerates upward. During the acceleration:

A) the cork is immersed more
B) the cork is immerse less
C) the cork is immersed the same amount
D) at first the cork is immersed less but as the elevator speeds up it is immersed more
E) at first the cork is immersed more but as the elevator speeds up it is immersed less