An object whose weight is 100 lbf experiences a decrease
Chapter 2, Problem 2.3(choose chapter or problem)
An object whose weight is 100 lbf experiences a decrease in kinetic energy of 500 ft lbf and an increase in potential energy of 1500 ft lbf. The initial velocity and elevation of the object, each relative to the surface of the earth, are 40 ft/s and 30 ft, respectively. If\(g=32.2 \mathrm{ft} / \mathrm{s}^{2}\), determine
(a) the final velocity, in ft/s.
(b) the final elevation, in ft.
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