An object is thrown upward at \(65\,\text{m/s}\) from the top of an \(800\,\text{m}\) tall building.(a) Determine the time it takes for the object to hit the ground. , (b) Determine the velocity of the object when it hits the ground. , (c) If the initial speed was doubled, by what factor would the final speed increase? Justify. :

\( t \approx 21.03 \, \text{s} \) \( v \approx 141.14 \, \text{m/s} \) downwards. The final speed is directly proportional to the initial velocity and will increase by \( \approx 1.28 \) times. This can be proven by any one of the kinematic equations such as the kinematic equation \( {v_f}^2 = {v_0}^2 + 2a\Delta \theta \).

An object is thrown upward at \(65\,\text{m/s}\) from the top of an \(800\,\text{m}\) tall building. • Nerd Notes

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AP Physics 1

1.3 Representing Motion

1.2 Displacement, Velocity, and Acceleration

AdvancedFRQMathematicalProportional AnalysisConceptual18.4k

An object is thrown upward at \(65\,\text{m/s}\) from the top of an \(800\,\text{m}\) tall building.

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