Question: A marble is rolled so that it is projected horizontally off the top landing of a staircase. The initial speed of the marble is 3.0

A marble is rolled so that it is projected horizontally off the top landing of a staircase. The initial speed of the marble is 3.0 m/s. Each step is 0.18 m high and 0.30 m wide. Which step does the marble strike first?

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