February 26, 2017

Homework Help: physics

Posted by jasmine on Friday, October 4, 2013 at 12:46pm.

The position of a 2.75×10^5 N training helicopter under test is given by r =(0.020m/s 3 )t^3 i ^ +(2.2m/s)tj ^ −(0.060m/s 2 )t^2 k ^. find the net force of the helicopter at t=5.0s

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