The velocity of seismic waves generally increases with depth in the earth.
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Answer:
Explanation:
The question, translated, is:
- <em>A steel ball rolls and falls off the edge of a table from 4ft above the floor. If you hit the ground 5ft from the base of the table, what was your initial horizontal velocity?</em>
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<h2>Solution</h2><em />
This is a projectile motion, for which, the equations that you will need are:
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<u>1. Calculate the time that it takes the ball to fall 4ft</u>
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<u>2. Calculate the horizontal velocity:</u>