13. Reasoning About Two Peaks

06 L Reasoning About Two Peaks H1 V1

I exaggerated in the video when I said the peaks look like mirror images. In fact the first peak is wider but not as tall (in absolute value) while the second peak is "peakier".

But that just makes it even more amazing that the area under each of these curves still winds up being equal!

In which regions of this graph was the elevator stopped (or nearly stopped)?

Check all that apply.

SOLUTION:
  • Region 1
  • Region 5

In which of these regions was the elevator's speed not changing (or close to not changing)?

SOLUTION:
  • Region 1
  • Region 3
  • Region 5