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April 16, 2014

Homework Help: differential calculas

Posted by Preet on Monday, November 26, 2012 at 8:19pm.

A rocket fired at 275 m/s at 36o angle of elevation is described by:
x= (275cos〖36〗^0 )t and y= (275sin〖36〗^o )t-4.9t^2
Find the velocity (magnitude and direction) at t = 8 s.
Round to 1 decimal place.

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