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Physics, 25.10.2019 04:43 beachgreentag
The great sandini is a 60 kg circus performer who is shotfrom a cannon (actually a spring gun). you don't find many men ofhis caliber, so you him design a new gun. this new gun has avery large spring with a very small mass and a force constant of1100 n/m that he will compress with a force of4400 n. the inside of the gun barrel is coated with teflon, sothe average friction force will be only 40 n during the 4.0 m he moves in the barrel.
at what speed will he emerge from the end of the barrel, 2.5 mabove his initial rest position?
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