1. A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter.
   An 910-kg helicopter rises from rest to a speed of 12.5 m/s in a time of 3.8 s. During this time it climbs to a height of 10.1 m. What is the average power generated by the lifting force?

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Answer rating: 100% (QA)

Lets calculate the average power generated by the lifting forc... View the full answer