A 2.00 kg pendulum bob on a string 1.50 m long, is released with a velocity of 4.00 m/s when the support string makes an angle of 30.0 degrees with the vertical. What is the angle with the vertical the bob makes at the highest point of its motion?
A. 85.3 degrees
B. 71.2 degrees
C. 60.3 degrees
D. 56.7 degrees
E. 45.0 degrees
B. 71.2 degrees
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