What formula is used for: Object dropped off a 210 ft building. Initial v=-24. What is the velocity at 130 ft? s(t) = -16t^2-24t+210. v(t) = -32-24. Already got velocity after 3 sec but not sure how to adjust formula for v at 130 ft.

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-16t^2 - 24t+210=130
Solve for t
when you obtain t use the t as substitute for v=32-24

Your velocity formula is wrong btw
it should be v(t)=-32t-24

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