A major league pitcher can throw a baseball in excess of 41, Ask an Expert

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Q1. A major league pitcher can throw a baseball in excess of 41 m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches a catcher who is 17m away from the point of release?

Q2. A popular ride at an amusement park involves standing in the cylindrical room. The room rotates and the wall presses against the rider as floor drops down until the rider is no longer touching it. Annabel has a mass of 55 kg and the coefficient of static friction between the wall and her is 0.480. What is the minimum normal force exerted on her from wall that will keep Annabel from sliding down?

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