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A 0.60 kg object is suspended from the ceiling at the end of a 2.0 m string. When pulled to the side and released, it has a speed of 4.0 m/s at the lowest point of its path. What maximum angle does the string make with the vertical as the object swings up?

Question

A 0.60 kg object is suspended from the ceiling at the end of a 2.0 m string. When pulled to the side and released, it has a speed of 4.0 m/s at the lowest point of its path. What maximum angle does the string make with the vertical as the object swings up?

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Step 1

The energy is conserved. Thus,

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Step 2

Thus, the height is given by,

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Step 3

The expression for the height at which the object r...

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Physics

Work,Power and Energy

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