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Author Question: A 50-kg air conditioner is placed on top of a concrete pad that is 20 cm thick and has a ... (Read 11 times)

schs14

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A 50-kg air conditioner is placed on top of a concrete pad that is 20 cm thick and has a cross-sectional area of 3.0 m2. What is the change in thickness of the pad caused by the air conditioner? Young's modulus for concrete is 2.3  1010 N/m2.
 
  A) 1.4  10-9 m
  B) 2.8  10-9 m
  C) 1.4  10-8 m
  D) 1.4  10-7 m
  E) 2.8  10-8 m

Question 2

You have available a galvanometer that gives a full-scale deflection for a 333-A current and has a coil resistance of 33 .
 
  (a) What shunt resistance is needed to convert this galvanometer to a 5.0-A ammeter?
  (b) What series resistance is needed to convert this galvanometer to a 5.0-V voltmeter?


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kingdude89

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schs14

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Reply 2 on: Jul 29, 2018
:D TYSM


strudel15

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Reply 3 on: Yesterday
Wow, this really help

 

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