A pendulum oscillates at a frequency of 2 cycles per second. At t = 0 it is released starting at an angle of 20°C. Ignoring friction what will be the position (angle) of the pendulum at
a. t = 0.25 sec
b. t = 1.6 sec
c. t = 5.0 sec
a. t = 0.25 sec
b. t = 1.6 sec
c. t = 5.0 sec