During the lab, you fire the ballistic pendulum multiple times and find the average angle to be 46.7 degrees. If the length of the pendulum (from pivot to center of gravity) is 30.4 cm, to what height, h,  did the pendulum's center of gravity rise?

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter6: Circular Motion And Other Applications Of Newton’s Laws
Section: Chapter Questions
Problem 6.8P: Consider a conical pendulum (Fig. P6.8) with a bob of mass m = 80.0 kg on a string of length L =...
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During the lab, you fire the ballistic pendulum multiple times and find the average angle to be 46.7 degrees.

If the length of the pendulum (from pivot to center of gravity) is 30.4 cm, to what height, h,  did the pendulum's center of gravity rise?

(Use the formula shown at 7:45 of the video)

Give your answer in cm to 3 significant figures (2 decimal places in this case).

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