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PHYS2014/Fall 2009/Exam No. 2 ) OSU Physics Dept./Benton Recitation TA Stetg, Recitation Time: 2130 Physics 2014: General Physics I Exam No. 2 27 October 2009 1. The aliens from Planet Splorg have decided not to invade the Earth. That’s the good news. The bad news is that they have stolen my favorite spring and returned to Splorg with it. It’s a beautiful, shiny steel spring of negligible mass that my mother gave me for my 9th birthday. When I would hang a 2 kg mass from this spring, it stretched exactly 0.30 m. Now the Splorigians are really angry with me because when they returned to Splorg with my spring, they found that when they hung a 2 kg mass from it, the spring stretched 0.39 m. To make matters worse, the CIA has gotten in on the act. The CIA says that they have learned from reliable sources that Splorg has a radius of 8.7 x 10° m. They informed me that, on the next exam, I was to ask our class fo calculate the mass of Splorg based on this information. These CIA guys are pretty scary. Please do your best... for my sake. f = F.7 ich ah: ato (bs y~ - om Kh - gah) sofub Ms = 4 Fee c™ “9 AS= Stn hm _ 3f fg 7 ~k dS Ms = “Se mee Be co ongh= pets) YoY angh /R SS = mite Fo - kis #09 Be od o eens _ rob dssMsouaeny® ko Cn) ss, f . , 38. $7 GOES f BOD OO G39 L vc ‘ A388) Cayerny? _ 2rd MS a win Om 0 he I GU Ko" j}0/2.5 
