March 1, 2017

Homework Help: Physics

Posted by Don on Wednesday, November 7, 2012 at 11:14am.

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 31 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 145 m), the block swings toward the outside of the curve. Then the string makes an angle è with the vertical. Find è.

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