Can someone help me explain this problem to me? I try a bunch of things and I dont' really know how to get the answer.(adsbygoogle = window.adsbygoogle || []).push({});

An object starts from rest and slides down a frictionless track as shown. It leaves the track horizontally, striking the ground at a distance d as shown. The same object is now released from twice the height, 2h. How far away will it land?

Diagram of Problem

Somehow... the answer is squareroot 2*d

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# Homework Help: Help with Work/ Energy Problem

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