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You know come to think of it I bet only 13% of the people who post here have ever even been in college. To busy having kids.
Water would not even STAY on it to make it wet for crying out loud. Water would roll right off of a frictionless surface.
Geez this is wrong in so many ways.
We`re rather scared to.
please ask we want to know
and Yea I liked shrlock`s answer too, it`s been awhile since I`ve seen hitchiker`s guide to the galaxy
I`m guessing the tree limb mentioned works like a pulley, but I can`t be sure since the picture isn`t shown.
If so, the tension in the rope would be equal to Don`s weight.
Don`s Weight = (Md)(gravity) = Tension(70 kg)(9.8m/s2) = 686 N (answer)
Oh wow... And LiquidGlass, I`m sorry, but its ShrlockBones who ROCKS MY SOX OFF with his comment this time :-P
... must be a woman.
PS- I`m pretty sure that`s a physics text, not just a math text.