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How much air must be pushed downward at 40.0 m/s to keep  800-kg helicopter aloft? 
 a. 98.0...

How much air must be pushed downward at 40.0 m/s to keep  800-kg helicopter aloft? 
 a. 98.0 kg/s b. 196 kg/s c. 294 kg/s d. 392 kg/s 


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Answer #1

Correct option is b.) 196 kg/s

Calculations are given below

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