(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A roller coaster starts at rest from a height of 110m and accelerates down the track to a height of 10.0 m. Find the speed it can each, assuming there is no friction

2. Relevant equations

Eg = mgh

v = sqrt(2Ek/m)

3. The attempt at a solution

Honestly I'm not sure where to begin when given no mass.

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# Homework Help: Finding out the mass of an object given only height

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