Author Question: A radar installation operates at 9000 MHz with an antenna (dish) that is 15 meters across. Determine ... (Read 58 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
A radar installation operates at 9000 MHz with an antenna (dish) that is 15 meters across. Determine the maximum distance (in kilometers) for which this system can distinguish two aircraft 100 meters apart.
 a. 7.4 km
  b. 370 km
  c. 3700 m
  d. 37 km
  e. 740 km

Question 2

The Moon's orbital plane is inclined to Earth's orbital plane by
 a. 0.
  b. 5.
  c. 23.5.
  d. 30.



dlook33

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

d

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For a complete list of videos, visit our video library