February 27, 2017

Homework Help: Physics

Posted by Sarah on Sunday, September 26, 2010 at 6:14pm.

The velocity vefot of a ball is v(t)=-3x+4y at any time. Its initial position is r=12x-4y. The components of the velocity vector are in m/s and the components of the position vector are in meters. The symbols x and y are the unit vetors in x and y directions respectively.

Find the final position vector in component form at the end of 2 seconds.

Find the average acceleration vector.

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