You throw a ball upward from a window at a speed of 2.9 m/s. How fast will it be moving when it hits the sidewalk 2.2 m below?
2 answers
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A person leans over the side of a deep well and drops a stone that falls freely. After 1.0s she hears the splash of the stone striking the water at the bottom of the well. How deep is the well?
1 answer