calculusxy
  • calculusxy
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?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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calculusxy
  • calculusxy
@DanJS
DanJS
  • DanJS
Did you learn the kinematic equations?
DanJS
  • DanJS
\[\Delta y = V _{0}*t + \frac{ 1 }{ 2 }*g*t^2\]

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DanJS
  • DanJS
delta x is 100m, The original Velocity is Zero, and the acceleration of gravity g, is 9.8m/s^2
DanJS
  • DanJS
Find how long it has fallen t... us that in Final Velocity = a*t
DanJS
  • DanJS
Or, there is the already combined version \[v _{f}^2 = v _{i}^2+2*g*\Delta y\]
DanJS
  • DanJS
just solve for final velocity, everything else is given
DanJS
  • DanJS
\[v _{f}=\sqrt{2*g*\Delta y}\]

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