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Author Question: I left five 100. watt bulbs burning in my basement for two weeks. If electricity costs me 10./kw-h, ... (Read 78 times)

stephzh

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on: Jul 27, 2018
I left five 100. watt bulbs burning in my basement for two weeks. If electricity costs me 10./kw-h, how much did the electricity cost (to the nearest dollar) to leave these bulbs on and how many Joules of electrical energy did they consume?
 
  What will be an ideal response?

Question 2

Which of the following is not a dimensionless number?
 
  A) strain
  B) specific gravity
  C) stress
  D) Reynolds number


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brittiany.barnes

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Reply #1 on: Jul 27, 2018
Answer to Question 1

17. and 6.05  108 Joules

Answer to Question 2

C


stephzh

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Reply 2 on: Jul 27, 2018
:D TYSM

Joy Chen

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Reply 3 on: Yesterday
Excellent

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