A Conical Pendulum Is Constructed with a String 2

Multiple Choice

A conical pendulum is constructed with a string 2.00 m in length.The pendulum is set in horizontal circular path the vertical axis.If the angle the string makes with the vertical axis is 45.0 degrees,then the angular velocity of the conical pendulum is

A) 4.00 rad/s.
B) 3.55 rad/s.
C) 3.04 rad/s.
D) 2.63 rad/s.
E) 2.01 rad/s.