text: ## Your job is to lift 30 kgkg crates a vertical distance of 0.90 mm from the ground onto the bed of a truck. For related problem-solving tips
  
  Question
  
  Your job is to lift 30 kgkg crates a vertical distance of 0.90 mm from the ground onto the bed of a truck. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Force and power. Part A How many crates would you have to load onto the truck in one minute for the average power output you use to lift the crates to equal 0.50 hphp
  
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  2 months 2021-07-23T04:13:11+00:00 1 Answers 23 views 0
  
  The number of crates is 84580.
  
  Explanation:
  
  mass, m = 30 kg
  
  height, h = 0.9 mm
  
  Power, P = 0.5 hp = 0.5 x 746 W = 373 W
  
  time, t = 1 minute = 60 s
  
  Let the number of crates is n.
  
  Power is given by the rate of doing work.