Five-Minute Quiz header

Happy Landings!

     Peter Lederhosen and his pet rat, Pinky, were mountain climbing in the Rockies. All of a sudden, Peter slipped off a ledge and began to fall! With great presence of mind, Peter whipped out his physics-inspired rescue balloon and inflated it with a cylinder of compressed helium gas. 

     Unfortunately, Peter's been eating rather well since he bought the rescue balloon. Peter weighs 790 N and his rat weighs 10 N. The balloon only provides 750 N of lift! Calculate the magnitude and direction of Peter's acceleration.

Peter & rat ascending
 

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