HESI A2

Harvard University

Here are the best resources to pass HESI A2. Find HESI A2 study guides, notes, assignments, and much more.

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HESI A2 Entrance Complete Exam; All subjects covered|Version 1
  • HESI A2 Entrance Complete Exam; All subjects covered|Version 1

  • Exam (elaborations) • 60 pages • 2021
  • Doppler Effect Have you ever wondered why the whistle of a traveling, distant locomotive predicts its approach several yards before anyone actually sees it? Or why an oncoming ambulance’s screaming siren is heard momentarily several feet before the ambulance comes into full view, before it passes you, and why its siren is still heard faintly well after the ambulance is out of sight? What you are witnessing is a scientific phenomenon known as the Doppler Effect. What takes place is truly rema...
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