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Problem 18.7: A man and a woman are in front of the White House as an ambulance drives by with its siren on

Please wait for the animation to completely load.

A man and a woman are in front of the White House as an ambulance drives by with its sirens on (position is given in meters and time is given in seconds). Restart.

The three animations play the possible siren sound heard by three individuals: the man, the woman and the ambulance driver.

  1. The sound in Animation 1 is heard by whom?
  2. The sound in Animation 2 is heard by whom?
  3. The sound in Animation 3 is heard by whom?

Problem authored by Morten Brydensholt, Wolfgang Christian, and Mario Belloni.
Script authored by Morten Brydensholt, Wolfgang Christian, and Mario Belloni.

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