1. You drop a wooden cork from a height of a few feet above the
water. The positive direction is defined as upwards.
While the cork is fully submerged and moving downward (after it
has fully submerged in the water), the sign of the cork's velocity
is ___ ["positive", "negative", "zero"]
, and the sign of the cork's acceleration is ______
["positive", "negative", "zero"]
2. You drop a wooden cork from a height of a few feet above...