A pendulum is made by letting a 2.0-kg object swing at the end of a string that has a length of 1.5 m. The maximum angle the string makes with the vertical as the pendulum swings is 30°. What is the speed of the object at the lowest point in its trajectory?
a. 2.0 m/s
b. 2.2 m/s
c. 2.5 m/s
d. 2.7 m/s
e. 3.1 m/s
A
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