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## Homework Statement

If the rotation of a planet of radius 5.99x10^6 m and free-fall acceleration 7.87 m/s^2 increased to the point that the centripetal acceleration was equal to the gravitational acceleration at the equator, what would be the tangential speed of a person standing at the equator?

## Homework Equations

Vt=rW (tangential velocity equals radius times omega, or angular velocity)

## The Attempt at a Solution

I don't even know how to go about solving this. The way the problem is set up is confusing to me. This is the only problem out 30 some-odd questions that I have not done correctly. My homework is due at 12:00 tonight and I have almost an A, but this question is really bothering me. Can someone help?