My Most Recent Video (2016.05.21)
Average and Instantaneous Power Example (11:24)
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? This is an AP Physics 1 Topic.
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)
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