i have two questions that i need help understanding(adsbygoogle = window.adsbygoogle || []).push({});

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

A majorette takes tow batons and fastens them together in the middle at right angles to make an "x" shape. Each baton was 0.6m long and each ball on the end is 0.50kg. (Ignore the mass of the rods.) What is the moment of inertia if the arrangement is spun around an axis formed by one of the batons?

2a. Relevant equations

I=(1/12)ML^2

3a. The attempt at a solution

Not sure how to apply the equation to the problem. And what does it mean when n the arrangement is spun around an axis?

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

A tether ball is attached to a pole with 4.0m rope. It is circling at 0.20 rev per second. As the rope wraps around the pole it shortens. How long is the rope when the ball is moving at 6m/s

2b. Relevant equations

not sure

but .20 rev/sec = 1.26 rads/sec

3b. The attempt at a solution

not sure what to do.. what equations should i be focusing on?

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# Homework Help: Torque/moment of intertia questions

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