Solve the given parts of following problem:
Problem: A rugby player passes the ball 9.75 m across the field, where it is caught at the same height as it left his hand.
Part A: At what angle was the ball thrown if its initial speed was 12.0 m/s, assuming that the smaller of the two possible angles was used.
Part B: How long did this pass take?
Please, try to give explanation. Thank you.