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Author Question: It is often easier to keep a heavy object sliding than it is to start it sliding in the first place. ... (Read 43 times)

magmichele12

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It is often easier to keep a heavy object sliding than it is to start it sliding in the first place.
 
  Indicate whether the statement is true or false

Question 2

A metallic sheet has a large number of slits, 5.0 mm wide and 20 cm apart, and is used as a diffraction grating for microwaves. A wide parallel beam of microwaves is incident normally on the sheet.
 
  What is the smallest microwave frequency for which only the central maximum occurs? (c = 3.00  108 m/s)
  A) 1.0 GHz B) 2.0 GHz C) 0.70 GHz D) 0.50 GHz E) 1.5 GHz


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babybsemail

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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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magmichele12

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Reply 2 on: Jul 29, 2018
Excellent


sultansheikh

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Reply 3 on: Yesterday
Wow, this really help

 

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