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1D03 CAPA SET 7 &Acirc;&iquest;&Acirc;&macr;

# 1D03 CAPA SET 7...

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Physics 1D03 (Fall 2008), set #7 Main menu · Reload · Logout Current server time is Wednesday, December 10, 2008 at 16:31 Help Units · Metric Prefixes · Constants namsm Set 7, Due Mon, Oct 27, 2008 at 13:00 1 . [1 point, 10 tries] Three masses are connected by l = 19.8 cm long, massless, rigid rods. If mass A =123.0 g, mass B =233.0 g, and mass C =348.0 g, what are the coordinates of the center of mass? (Enter your answer for the x coordinate first, followed by the y coordinate.) Answer: 1.63e-01 m 6.55e-02 m 2 . [1 point, 10 tries] A 4.89 m long rigid beam with a mass of 109.0 kg is supported at each end. A 71.4 kg student stands Go to problem [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17] 1-17 Status: Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y

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2.08 m from support 1. How much upward force does each support exert on the beam? (Enter your answer for support 1 first, followed by your answer for support 2.) Answer: 9.37e+02 N 8.33e+02 N 3 . [1 point, 10 tries] A 2.76 m long ladder leans against a frictionless wall. The coefficient of static frictin between the ladder and the floor is 0.430. What is the minimum angle, in radians, that the ladder can make with
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1D03 CAPA SET 7...

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