(adsbygoogle = window.adsbygoogle || []).push({}); Help with Kinetic/Potential Energy problem !!

1. The problem statement, all variables and given/known data

Can anyone help me solve a problem. ??

A stone weighing 0.62 kg is fired from point a at 5.5 m s-1 , at point b mid range (Maximum height) it has 2.3 joules kinetc energy.. what is the height of the stone at point b ????

b]2. Relevant equations[/b]

mg h = half mv squared

h = v2/2g

3. The attempt at a solution

h = 30.25 m s -1 / 2 x 9.8 ms -2

That is the only solution I can think of !!!!

anyone suggest another way to solve this ???

Thanks

A11cdr

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# Help with Kinetic/Potential Energy problem

**Physics Forums | Science Articles, Homework Help, Discussion**