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September 19, 2014

September 19, 2014

Posted by **Sandy** on Monday, January 3, 2011 at 11:46am.

- calculus -
**Reiny**, Monday, January 3, 2011 at 11:49amTo be at rest, wouldn't the velocity have to be zero ?

And isn't velocity the first derivative of your s(t) ?

so...

take the first derivative, set it equal to zero and solve for t.

hint: use the product rule.

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