A stone attached to end of 3.8 m long string is swinging in a vertical plane. If the string makes a maximum angle of 39° with the vertical, find maximum speed of the swinging stone? (Ignore air resistance) (g=9.8 m/s²)
Select one:
a. 5.3 m/s
b. 2.4 m/s
c. 1.9 m/s
d. 4.1 m/s