- #1
SaltyBriefs
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Homework Statement
I'm trying to derive this formula, but I get stuck after I factor the t out.
V[itex]_{f}[/itex][itex]^{2}[/itex] = V[itex]_{0}[/itex][itex]^{2}[/itex] + 2a (y-y[itex]_{0}[/itex])
Homework Equations
V[itex]_{f}[/itex][itex]^{2}[/itex] = V[itex]_{0}[/itex][itex]^{2}[/itex] + 2a (y-y[itex]_{0}[/itex])
The Attempt at a Solution
1) y[itex]_{f}[/itex] - y[itex]_{0}[/itex] = ([itex]\frac{V_{0}+V_{f}}{2}[/itex])t
2) y[itex]_{f}[/itex] - y[itex]_{0}[/itex] ([itex]\frac{1}{t}[/itex])= ([itex]\frac{V_{0}+V_{f}}{2}[/itex])t ([itex]\frac{1}{t}[/itex])
3) V[itex]_{f}[/itex]= ([itex]\frac{V_{0}+V_{f}}{2}[/itex])t ([itex]\frac{1}{t}[/itex])
4) ?
5) V[itex]_{y}[/itex] = V[itex]_{0y}[/itex][itex]^{2}[/itex] + 2a (y[itex]_{f}[/itex]-y[itex]_{0}[/itex])