A 300 Kg Pendulum Bob on a String 2

A 3.00 kg pendulum bob on a string 2.00 m long, is released with a velocity of 2.00 m/s when the support string makes an angle of 45.0 degrees with the vertical. What is the tangential acceleration of the bob at the highest point of its motion?

A) 6.04 m/s²
B) 6.89 m/s²
C) 7.80 m/s²
D) 8.20 m/s²
E) 9.02 m/s²

Correct Answer:

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