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calculusxy
 one year ago
MEDAL!!!
A ball is dropped from a very tall building. Assume no air resistance.
What is the velocity of the ball when the distance travelled is 100m?
calculusxy
 one year ago
MEDAL!!! A ball is dropped from a very tall building. Assume no air resistance. What is the velocity of the ball when the distance travelled is 100m?

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DanJS
 one year ago
Best ResponseYou've already chosen the best response.0Did you learn the kinematic equations?

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0\[\Delta y = V _{0}*t + \frac{ 1 }{ 2 }*g*t^2\]

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0delta x is 100m, The original Velocity is Zero, and the acceleration of gravity g, is 9.8m/s^2

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0Find how long it has fallen t... us that in Final Velocity = a*t

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0Or, there is the already combined version \[v _{f}^2 = v _{i}^2+2*g*\Delta y\]

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0just solve for final velocity, everything else is given

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0\[v _{f}=\sqrt{2*g*\Delta y}\]
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