Comment: hehe so you're paying

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In reply to comment: Height is irrelevant... (see in situ)

hehe so you're paying

hehe so you're paying attention. Was curious if you had any clue. At least your book does.

At any rate, the height matters. If you were to run this as a parametric equation, your distance at T=0 would be the height of the building minus the height of the building.