Saturday
September 20, 2014

Homework Help: Physics

Posted by Becky on Friday, November 13, 2009 at 8:14pm.

To find the velocity and acceleration vectors for uniform circular motion and to recognize that this acceleration is the centripetal acceleration.
Suppose that a particle's position is given by the following expression:
r(t) = Rcos(omega*t)i + Rsin(omega*t)j

Velocity equals = -omegaR(sin(omega*t)i+omegaR(cos(omega*t)j

A. Now find the acceleration of the particle.
B. Your calculation is actually a derivation of the centripetal acceleration. To see this, express the acceleration of the particle in terms of its position r(t)

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