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Author Question: If the diameter of a radar dish is doubled, what happens to its resolving power, assuming that all ... (Read 50 times)

cnetterville

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on: Jul 29, 2018
If the diameter of a radar dish is doubled, what happens to its resolving power, assuming that all other factors remain unchanged?
 
  A) The resolving power does not change unless the focal length changes.
  B) The resolving power is reduced to 1/4 of its original value.
  C) The resolving power is reduced to 1/2 of its original value.
  D) The resolving power doubles.
  E) The resolving power quadruples.

Question 2

A wheel of radius R is rolling on a horizontal surface. Its center is moving forward with speed v. A point on the wheel a distance r/3 below the center is moving forward at a speed 2v/3. The wheel is
 
  A)
 
  rolling without slipping.
  B)
 
  not rotating at all.
  C)
 
  made of rubber.
  D)
 
  slipping because its angular speed is too low to be rolling without slipping.
  E)
 
  slipping because its angular speed is too high to be rolling without slipping.
Physics ¦ Walker ¦ 5th Edition
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CAPTAINAMERICA

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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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cnetterville

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Reply 2 on: Jul 29, 2018
Gracias!

ebonylittles

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Reply 3 on: Yesterday
Excellent

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