일반물리학 1 · Motion in Two and Three Dimensions · Problem 22
일반물리학 1 — Motion in Two and Three Dimensions: Problem 22
22 A small ball rolls horizontally off the edge of a tabletop that is 1.50 m high. It strikes the floor at a point 1.52 m horizontally from the table edge. (a) How long is the ball in the air? (b) What is its speed at the instant it leaves the table?
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