1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
raketka [301]
3 years ago
7

A radar for tracking aircraft broadcasts a 12 GHz microwave beam from a 2.0-m-diameter circular radar antenna. From a wave persp

ective, the antenna is a circular aperture through which the microwaves diffract. What is the diameter of the radar beam at a distance of 30 km
Physics
1 answer:
My name is Ann [436]3 years ago
5 0

Answer:

915m

Hope this helps.

You might be interested in
Efficiency is the ratio of output work to input work, expressed as a percentage. Light bulbs put out less light energy than the
Ivanshal [37]

The answer is 10%. just took the test. hope it helps!!

5 0
3 years ago
Read 2 more answers
A runner has an original velocity of 6 m/s and slows to a final velocity of 0 m/s. If the runner covers a
myrzilka [38]

Answer:

4 s

Explanation:

Given:

Δx = 12 m

v₀ = 6 m/s

v = 0 m/s

Find: t

Δx = ½ (v + v₀) t

12 m = ½ (0 m/s + 6 m/s) t

t = 4 s

7 0
3 years ago
A body is moving with a uniform acceleration of 2m/s² what does it mean?​
Nastasia [14]

Answer:

the body has energy due to its constant motion. it means it moves in a uniform acceleration which has zero velocity

Explanation:

Uniform or constant acceleration is a type of motion in which the velocity of an object changes by an equal amount in every equal time period.

7 0
3 years ago
Which of the following is located in the stratosphere? (10 points) Weather, The ozone layer, UV rays, Birds.
sergij07 [2.7K]
The O Zone Layer
Hope I am right
5 0
3 years ago
Read 2 more answers
You tie a cord to a pail of water, and you swing the pail in a vertical circle of radius 0.600 m. what minimum speed must you gi
omeli [17]
Hrre si yen nserrras
6 0
3 years ago
Other questions:
  • The _________ states that the entropy of a closed system must always increase.
    13·1 answer
  • Meteorite On October 9, 1992, a 27-pound meteorite struck a car in Peekskill, NY, creating a dent about 22 cm deep. If the initi
    5·2 answers
  • Which element has the greatest number of valence electrons?
    6·1 answer
  • Ignoring air resistance, if you throw a baseball from first base upwards toward a friend in left field, and the baseball leaves
    7·2 answers
  • Gravity has traditionally been defined as a force of attraction between things that have what
    12·1 answer
  • an object of mass 1kg was at rest before it fell through a height o 5m and hit the ground. Calculate the initial gravitational p
    7·2 answers
  • Gravity: The force due to gravity is F=mg where g=9.80 m/s². A. Find the force due to gravity on a 41.63-kg object. B. The force
    13·1 answer
  • What does water’s high specific heat capacity explain about water?(1 point)
    7·1 answer
  • What causes global winds?
    8·1 answer
  • At the very end of 500 DAYS OF SUMMER, Tom (Joseph Gordon-Levitt) is so heartbroken by
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!