Solve the all parts of following problem:
Problem: A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 4.00 m/s, and her takeoff point is 1.70 m above the pool.
Part A: How long are her feet in the air? Incorrect: Your answer is incorrect.
S
Part B: What is her highest point above the board?
m
Part C: What is her velocity when her feet hit the water?
m/s
Any help I can get on this problem is greatly appreciated! I'm not too familiar with this problem.