Question

A marble rolls off of a 1.5 m tall table with a horizontal speed of 3 m/s. Find how far the marble lands from the table and what is its final speed in the y direction.

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

When the medium is dense, the molecules in the medium are closely packed which means that the sound travels faster. Therefore, the speed of sound increases as the density of the medium increases.