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Author Question: In many cartoon shows, a character runs off a cliff, realizes his predicament, and lets out a ... (Read 78 times)

Destiiny22

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on: Jul 29, 2018
In many cartoon shows, a character runs off 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 as he falls should be
  A) lower than the original pitch and constant.
  B) higher than the original pitch and increasing as he falls.
  C) higher 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

An aluminum wire and a steel wire, each of length 2.0 m, are hung from the ceiling. A 5.0-kg mass is suspended from the lower end of each wire. The aluminum wire has a diameter of 2.2 mm.
 
  What must be the diameter of the steel wire if it is to stretch the same distance as the aluminum wire, so that the two wires maintain equal lengths after the masses are attached? Young's modulus for aluminum is 0.70  1011 Pa and for steel it is 2.0  1011 Pa.
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amcvicar

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Destiiny22

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

AISCAMPING

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

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