Question

Three 87.1 g masses are connected in a triangular shape by massless rigid wires as shown in the first image (which is not drawn to scale). The coordinates of each mass are given in centimeters. Mass A is located at (0,0), mass B is at (12.2, 20.5), and mass C is at (17.3, 13.4). Find the x-and y-coordinates of the center of mass of the triangular object. B с A Xcm cm Yem cm Two more 87.1 g masses are connected by a straight piece of wire and affixed to the original configuration as shown. The coordinates of mass D are (0.-24.8) and the coordinates of mass E are (0,24.8). Find the x- and y-coordinates of the E

Answer 1

87.19 m, = m = m₂=m= A co,o) ; B (12-2, 20-8); C (17-3, 13.4) AN com m, 26, + m₂X2 + myk, (m, that my) = nu do +12.2+17.3} 3 19.833 cm you may + m2 Yetmez y tms mitm, - who +20.5+ 13.4) 3 m 11.3cm B) X New New commitme X2 + Mzz thekuthighs mitme that myths ->(0+12.2+17.3 + 0 +0) 15.9cm Ywow.com wal + 20.5+ 13.4-248 +24.8) 5w 5w (6.78 cm

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