Two radio antennas are 10 km apart on a north-south axis on high ...

[asan beg]

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

[kalskdjl1212]

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[asan beg]

Wow, this really help

[parker125]

Thanks for the timely response, appreciate it