TucsonGuy

An A-frame made up of two uniform 150N, 3 m long beams pinned at the apex and resting on a frictionless floor. The base of each beam is separated by 3.5 m. A 500 N weight hangs from the apex. A tie rope connecting the two beams is parallel to the floor an...

(1/2)*K*x^2 = (1/2)*m*v^2 K-Spring constant, 1102 N/m x-Compression distance, 4.44cm = .0444m m-Mass of physics book, 442 g = .442 Kg Re-arrange: v = x*(K/m)^0.5 v = .0444*(1102/.442)^0.5 v = 2.22 m/s