Homework Help: physics

Posted by jess on Thursday, October 21, 2010 at 9:59am.

A 4600 kg helicopter accelerates upward at 2.26 m/s2. 2
The acceleration of gravity is 9.8 m/s .
What lift force is exerted by the air on the propellers?

physics - bobpursley, Thursday, October 21, 2010 at 10:23am
lift force=ma+mg

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