3/4/09 1 Physics 1222/25/11 2 Physics 1222/25/11 4 Physics 122 2/'111Rfoihhoif==+=2/25/11 5 Physics 1222/25/11 7 Physics 122 1 2 n1sin1= n2sin22/25/11 8 Physics 1222/25/11 9 Physics 122 2222112121UmvUmv +=+2/20/09 10 Physics 122 12mv12+U1=12mv22+U2nmed=vmedc2/25/11 11 Physics 122 1 2 v1y= v2yv1sin1= v2sin2cvn =Newton2/25/11 13 Physics 122 1 121211212sin so anglean Choosesinsinnnnnnn>>=2/25/11 14 Physics 1222/25/11 15 Physics
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