Dr Nick

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About Dr Nick

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Teaching Since: May 2017
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  • MBA (IT), PHD
    Kaplan University
    Apr-2009 - Mar-2014

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  • Professor
    University of Santo Tomas
    Aug-2006 - Present

Category > Physics Posted 09 Nov 2017 My Price 15.00

Transverse waves Longitudinal waves

Written Assignment 6

Answer all of the following questions. 

  1. In your own words, explain the meaning of the following terms:

      1. Transverse waves

      2. Longitudinal waves

      3. Standing waves

      4. Shock waves

  1. Police use Doppler radar to detect speeding cars. Explain how the Doppler Effect is used in this application.

  1. A person in a cave emits a sound and receives an echo 2.5 seconds later. How far is that person away from the wall?

  1. Why do soldiers break step in marching over a bridge?

  1. Jet aircraft mechanics wearing ear protectors are able to converse with each other because the ear protectors block out the sound of the jet engine. What physics concept would account for this?

  1. Suppose you call your dog with an average intensity level of 80 decibels (db). How much more sound energy would you have to put into each call to:

      1. Increase the call to 90 db?

      2. Increase the call to 100 db?

Answers

Dr Nick
(3)
Status NEW Posted 09 Nov 2017 10:11 AM My Price 15.00

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