Chemistry, 17.01.2021 08:30 waterbug7571

A marble rolls off horizontally from the edge of table top 1.50 m above the floor. it strikes the floor 2.0 m from the base of the table. (a) how long does it take the marble to reach the floor? (b) What is its initial speed? please help me masters(;´༎ຶٹ༎ຶ`)

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