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Author Question: A 200-kg superhero, falling off a building manages to grab hold of the end of a 3.0 m-long flagpole, ... (Read 38 times)

kellyjaisingh

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on: Jul 29, 2018
A 200-kg superhero, falling off a building manages to grab hold of the end of a 3.0 m-long flagpole, 5.0 cm in radius, which saves him from falling any further. After the oscillations have died down, the end of the flagpole is sagging 10 cm.
 
  What is the shear modulus of the pole? A) 7.5  106 N/m2
  B) 2.4  106 N/m2
  C) 7.5  107 N/m2
  D) 2.4  107 N/m2
  E) 2.4  105 N/m2

Question 2

As you recede from a steady light source, the wavelength of the emitted light appears
 
  A) longer.
  B) shorter.
  C) the same.


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blakeserpa

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

Answer: A


kellyjaisingh

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Reply 2 on: Jul 29, 2018
Wow, this really help

Dominic

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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