A Simple Pendulum Has a Mass of 0 $\degree$ And Then Released

question 73

Multiple Choice

A simple pendulum has a mass of 0.25 kg and a length of 1.0 m.It is displaced through an angle of 30 $\degree$ and then released.After a time,the maximum angle of swing is only 10 $\degree$ .How much energy has been lost to friction?

• A)0.29 J
• B)0.65 J
• C)0.80 J
• D)1.0 J

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