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David is getting ready to take down the mighty Goliath. David ties a 349 g rock to a rope that is 2.40 m in length.
David is getting ready to take down the mighty Goliath. David ties a 349 g rock to a rope that is 2.40 m in length. If David starts to swing the rope in a horizontal circle and is tilted down at a 7.47 angle, what is angular speed of the rock?
53.5 rpm 5.33 rpm 5.60 rpm 19.4 rpm
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