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Author Question: You push your physics book across a table. The book weighs 8 N, you push with a steady 5 N force, ... (Read 134 times)

misspop

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on: Jul 29, 2018
You push your physics book across a table. The book weighs 8 N, you push with a steady 5 N force, and the force of friction against the book is 3 N. You push the book a distance of 2 m. The amount of work you do on the book is
 
  A) zero.
  B) 6 J.
  C) 16 J.
  D) 10 J.
  E) impossible to tell without more information.

Question 2

If the angular frequency of the motion of a simple harmonic oscillator is doubled, by what factor does the maximum acceleration of the oscillator change?
 
  A) 2
  B) 4
  C) It does not change.
  D) 1/2
  E) 1/4
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blakeserpa

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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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misspop

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

Joy Chen

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Reply 3 on: Yesterday
Wow, this really help

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