# Position Equation for Movement of a Particle

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1. The position equation for the movement of a particle is given by when s is measured in feet and t is measured in seconds. Find the acceleration at two seconds.

2. Find the derivative: .

3. Find if .

4. The radius of a circle is increasing at the rate of 5 inches per minute. At what rate is the area increasing when the radius is 10 inches?

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The expert examines position equations for movement of a particle. The radius of a circle for increase rates are given.

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1. The position equation for the movement of a particle is given by when s ...

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