A Simple Pendulum Has a Mass of 0

question 45

Multiple Choice

A simple pendulum has a mass of 0.50 kg and a length of 1.0 m.It is displaced through an angle of 30° and then released.After a time,the maximum angle of swing is only 10°.How much energy has been lost to friction?

• A) 2.0 J
• B) 1.6 J
• C) 0.66 J
• D) 0.58 J

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