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Author Question: Two radio antennas are 10 km apart on a north-south axis on high mountain tops at the seacoast. The ... (Read 85 times)

asan beg

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on: Jul 29, 2018
Two radio antennas are 10 km apart on a north-south axis on high mountain tops at the seacoast. The antennas broadcast identical AM radio signals,
 
  in phase, at a frequency of 4.70 MHz. A steamship, 200 km offshore, travels toward the north at 15 km/h and passes east of the antennas. A radio on board the ship is tuned to the broadcast frequency. The reception of the radio signal on the ship is a maximum at a given instant. How much later until the next occurrence of maximum reception? (c = 3.00  108 m/s)
  A) 5.1 min
  B) 3.8 min
  C) 6.4 min
  D) 7.7 min
  E) 8.9 min

Question 2

) A supercritical fluid least resembles
 
  A) a solid.
  B) a liquid.
  C) a gas.
  D) All of the above.

Question 3

In what phase of matter are the particles no longer moving?
 
  A) solid
  B) liquid
  C) gas
  D) none of the above
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kalskdjl1212

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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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asan beg

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Reply 2 on: Jul 29, 2018
:D TYSM

cpetit11

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Reply 3 on: Yesterday
Gracias!

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