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A pendulum is pulled and released then....

A 20.0-gram mass is attached to a 120 cm-long string as shown in Figure 6-7. The angle theta is measured to be 18.0 degrees. What is the speed of the mass?

1.95 m/s
3.82 m/s
1.18 m/s
1.09 m/s

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when the body is pulled a side through an angle , it will rise to a height ...

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In the given question, when the body is pulled a side through an angle .....

$2.19