Question

A 0.350-kg blue bead slides on a frictionless, curved wire, starting from rest at point circled A in the figure below, where h = 1.50 m. At point circled B, the blue bead collides elastically with a 0.665-kg green bead at rest. Find the maximum height the green bead rises as it moves up the wire.

http://www.webassign.net/sercp9/6-p-058.gif