Answers to Physics 1101 “Unit 9 a sample test” Question Answer Comments 1 B 2 D Tcos 60° = f3 A 6.0 N north + 6.0 N west = 6.0!2 N northwest 4 C v2= T/"5 D T= mv2/r6 D vertical component of angular momentum is conserved 7 A momentum is conserved by the collision 8 B buoyant force = weight of water displaced 9 D ½mvi2+ mgh= ½mvf210 A Q= Mc#T= 0.75(½Mvi2+ Mgh) 11 A 12 E n= 2;
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This note was uploaded on 09/08/2009 for the course PHYS 1101 taught by Professor Richardson, b during the Fall '08 term at Cornell University (Engineering School).