(Answered) Tina is looking out a window and throws marble straight

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Tina is looking out a window and throws marble straight downward toward the sidewalk below at a speed of 4.00 m/s and the window is 38.0 meters above the sidewalk.

What is the speed of the ball (vf) when it hits the ground?

After 1.50s, how far down has the marble traveled?

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