3945 Assume that a free-fall model applies. Solve these exercisesby applying Formulas
Chapter 5, Problem 39(choose chapter or problem)
Assume that a free-fall model applies. Solve these exercises by applying Formulas (15) and (16). In these exercises take \(g=32 \mathrm{ft} / \mathrm{s}^{2}\) or \(g=9.8 \mathrm{ft} / \mathrm{s}^{2}\), depending on the units.
A rock tossed downward from a height of 112 ft reaches the ground in 2 s. What is its initial velocity?
Equation Transcription:
Text Transcription:
g = 32 ft/ s^2
g = 9.8 ft/s^2
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