thin stick is placed along the x-axis so that one of its ends is at x = 0.00 m and the other one at x, = 1.55 m. The stick s a non-uniform mass density A(x) = ax + b, where a = 0.609 kg/m² and b 0.342 kg/m. What is the x-coordinate of e center of mass of the stick? 0.751 cm = Incorrect
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- For a meter stick of mass 147.89 g, it is found that its weight can be balanced by hanging a 183.99 g mass at the 95.00 cm mark. Where does the center of the weight of the meter stick locate on the meter stick? Enter the number in cm unit.A beam of negligible mass and a length of 1.00 m balances two masses m₁ 16 kg and m₂ = 8 kg. The distance of m₁ from the fulcrum is 20 cm. Let the distance of m₂ from the fulcrum be d2. Assume all quantities are correct to 3 significant figures. m2 m2g (a) For first condition equilibrium is m₁g-m₂g. N=0. N O N-m₁g-m₂g-0. N+m₁g-m₂g=0. N-m₁g+m₂g=0. mi mig (b) Match the directions of rotations induced by the forces about the fulcrum: A. N no rotation B. mg clockwise C. m₂g counter-clockwiseA person carries a plank of wood 2.00 m long with one hand pushing it down at one end with a force F, and the other hand holding it up with a force F, at a distance of 0.500 m from the same end of the plank. If the plank has mass 20.0 kg and the center of mass of the plank is in the middle of the plank, what are the magnitudes of the forces F and F,? F, = 196.2 N, E, = 392.4 N F2 F, = 392.4 N, F, = 392.4 N %3D F, = 196.2 N, F, = 196.2 N %3D 3 4 F, = 392.4 N, F, = 196.2 N || %3D
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