Monday
November 24, 2014

Homework Help: Physics

Posted by Stuck on Monday, July 12, 2010 at 6:37pm.

"A 5000kg helicopter accelerates upwards at 0.50m/s^2 while lifting a 2000kg car. What is the lift force exerted by the air on the propellers?"

I don't understand what the problem is asking for.

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