Solve the all given parts of following problem:
Problem: A tennis ball on Mars, where the acceleration due to gravity is 0.379 of a g and air resistance is negligible, is hit directly upward and returns to the same level 5.90s later.
Part A: How high above its original point did the ball go?
Part B: How fast was it moving just after being hit?
I've been having quite a bit of trouble understanding this problem, Thank You so much for your help. Thanks.