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Q. A 69-{rm kg} person stands on a lightweight diving board supported by two pillars, one at the end of the board, the other 1.50 -{rm m} away. The pillar at the end of the board exerts a downward force of 818 {rm N}. How far from that pillar is the person standing?

Q. On a workday the average decibel level of a busy street is 65 kb, with 121 cars passing a given point every minute. If the number of cars is reduced to 33 cars every minute on a weekend, what is the decibel level of the street?

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