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Answers
(1) 1.25 kg/m3

(2) 1.5 kg/m3

(3) 0.625 kg/m3

(4) 1.296 kg/m3

(5) The density that will produce the greatest amount of lift is 1.5 kg/m3. (Problem # 2)

(6) The density that will produce the least lift is 0.625 kg/m3. (Problem #3)

(7) The greater the density of air, the greater the amount of lift.


    		
  

  
 
     
      
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