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Author Question: In many cartoon shows, a character runs of a cliff, realizes his predicament and lets out a scream. ... (Read 58 times)

vicky

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In many cartoon shows, a character runs of a cliff, realizes his predicament and lets out a scream. He continues to scream as he falls.
 
  If the physical situation is portrayed correctly, from the vantage point of an observer at the top of the cliff leaning over the edge, the pitch of the scream should be A) higher than the original pitch and constant.
  B) higher than the original pitch and increasing as he falls.
  C) lower than the original pitch and constant.
  D) lower than the original pitch and decreasing as he falls.
  E) It is impossible to predict.

Question 2

A teacher sends her students on a treasure hunt. She gives the following instructions: 1. Walk 300 m north 2. Walk 400 m northwest 3. Walk 700 m east-southeast and the treasure is buried there.
 
  As all the other students walk off following the instructions, Jane physics student quickly adds the displacements and walks in a straight line to find the treasure. How far and in what direction does Jane need to walk? A) 187 m in a direction 67.3 north of east
  B) 481 m in a direction 40.9 north of east
  C) 399 m in a direction 52.5 north of east
  D) 284 m in a direction 28.2 west of north
  E) The treasure position cannot be reached in one straight walk.



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kescobar@64

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Answer to Question 1

D

Answer to Question 2

B




vicky

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


jojobee318

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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