October 10, 2015

Homework Help: physics

Posted by okan on Monday, October 24, 2011 at 2:50am.

You are riding in a school bus. As the bus rounds a flat curve at constant speed, a lunch box with a mass of 0.470 suspended from the ceiling of the bus by a string of length 1.85 is found to hang at rest relative to the bus when the string makes an angle of 29.0 with the vertical. In this position the lunch box is a distance 52.0 from the center of curvature of the curve.
What is the speed of the bus?

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