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

Calculate the maximum speed of 100g pendulum mass when it has a length of 100cm and an amplitude of 50cm.

2. Relevant equations

I think that Eg=mgh and Ek=0.5mv^2 are related to this problem.

3. The attempt at a solution

I'm not really sure how to start this problem as I don't know how to calculate the height for Eg. However I'm pretty sure that I need to use further on gh=0.5v^2 as mass cancels in this situation. Sorry that I cannot provide a full attempt, but I just don't understand part of the problem.

I just tried to solve it again and that what I got:

sqrt(g/L)

=sqrt(9.8/1)

=3.13

v(max)=(.5)(3.13)

=1.57 m/s

Anything right?

Thank you in advance.

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# Pendulum Problem

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