Solve the all parts of given question:
Question: A 5.49-kg ball hangs from the top of a vertical pole by a 2.09-m-long string. The ball is struck, causing it to revolve around the pole at a speed of 4.09 m/s in a horizontal circle with the string remaining taut.
Part A: Calculate the angle, between 0° and 90° that the string makes with the pole. Take g = 9.81 m/s2.
____DEG
Part B: Find the tension of the string.
____N
I have been stuck on this question for a long time, please help. Show steps. Thanks!