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Q. Review Conceptual before starting this problem. A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.10 m of the plank hanging over the right support.To what distance x can a person who weighs 411-N walk on the overhanging part of the plank before it just begins to tip?

Q. The weight of passengers on a roller coaster increases by 58 as the car goes through a dip with a 40.00 radius of curvature. What is the velocity of the cart at the bottom of the track?

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