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

Question

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The Answer of 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 Pendulum Is Made by Letting a 2