A marble rolls off a tabletop 1.3 m high and hits the floor at a point 3.4 m away from the table's edge in the horizontal direction. (a) How long (in s) is the marble in the air? S (b) What is the speed of the marble (in m/s) when it leaves the table's edge? m/s (c) What is its speed (in m/s) when it hits the floor? m/s
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