What is the reason for e 12-5x+6x=4 Drag and drop the reason.
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What is the reason for e 12-5x+6x=4 Drag and drop the reason.
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- The uniform seesaw shown below is balanced on a fulcrum located 4.0 m from the left end. The smaller boy on the right has a mass of 36 kg and the bigger boy on the left has a mass of 81 kg. What is the mass of the board (in kg)?A uniform 10.0 m beam of mass 300 kg extends over a ledge, as in Figure. The beam is not attached but simply rests on the surface. A 60.0 kg student intends to position the beam so that he can walk to the end of it. What is the maximum distance the beam can extend past the end of the ledge and still allow him to perform this feat?A plane flies 36.0° north of east for 1.80 km to get to city B. The trip takes 3.00 hours. The plane departs city B and travels due west to reach city C. City C is 811 km from city B and the trip takes 1.80 hours. Let the positive 2-direction point due east and the positive y-direction point due north. a) Which vector below represents the plane's average velocity? N B E OĎ
- 29 5bA 30kg ladder is leaning against the wall. The ladder is 8m long and the base of the ladder is 2.5m away from the wall. A person whose mass is 55kg stands 2m from the top of the ladder. There is friction between the ladder and the ground, but the wall is frictionless. With what force does the wall push against the ladder?The 3m long uniform plank is supported by a fulcrum at the midpoint. Where a 45kg student should must be from the midpoint to be able to balance the plank?
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