Solve the all parts of following problem given below:
Problem: A baseball on a planet, 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 7.30s later.
Part A: How high above its original point did the ball go?
Part B: How fast was it moving just after being hit?
Please show your work, so I can understand process. Thank you!