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Average and Instantaneous Power Example

By Flipping Physics, 05/21/2016
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An 8.53 kg pumpkin is dropped from a height of 8.91 m. What is the power delivered by the force of gravity (a) over the whole displacement of the pumpkin, (b) right after the pumpkin is dropped and (c) right before the pumpkin strikes the ground?
Want Lecture Notes? This is an AP Physics 1 Topic.

Content Times:
0:16 The example
1:26 Visualizing the example
2:22 Part (a)
3:32 Solving for Δt
5:32 Alternate solution to part (a)
6:33 Average vs. Instantaneous Power Equations
7:45 Part (b)
8:12 Part (c)

Next Video: Graphing Instantaneous Power

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Previous Video: Introduction to Power

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