Explain the right-hand rule as it applies to rotation of winds around a high or low pressure center.
Answers
Explanation:
The right-hand rule, also known as the Buys-Ballot's law, helps explain the rotation of winds around high and low pressure centers in the Northern Hemisphere. According to this rule:
1. In a low pressure center (cyclone) in the Northern Hemisphere, the wind rotates counterclockwise around the low-pressure center. If you extend your right hand with your thumb pointing upwards, your fingers will curl in the counterclockwise direction, representing the direction of the winds.
2. In a high pressure center (anticyclone) in the Northern Hemisphere, the wind rotates clockwise around the high-pressure center. If you extend your right hand with your thumb pointing upwards, your fingers will curl in the clockwise direction, representing the direction of the winds.
This rule is based on the Coriolis effect, which is caused by the Earth's rotation. As air flows from areas of higher pressure to lower pressure, it is deflected by the Coriolis force due to the Earth's rotation. In the Northern Hemisphere, the Coriolis force deflects moving air to the right. This deflection, combined with the pressure gradient force, results in the counterclockwise rotation around low-pressure centers and clockwise rotation around high-pressure centers.
It is important to note that the right-hand rule is specific to the Northern Hemisphere. In the Southern Hemisphere, the opposite is true. The wind rotates counterclockwise around low-pressure centers and clockwise around high-pressure centers.
Understanding the rotation of winds around pressure centers is essential in meteorology for predicting weather patterns and systems. By studying these rotations, meteorologists can make informed forecasts and predictions about the movements and impacts of weather systems.
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following distances will the greatest gravitational force be exerted
by one object on another?
O 2 m
O 4 m
O 6 m
O 8 m
Answers
Answer:
2m
Explanation:
The closer the objects are, the more gravitational force there is
Answer:
2m
Explanation:
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PLS VOTE THANK YOU
Answers
Answer:
188.7 m
Explanation:
height of bridge above water (h) = 393 m
mass of bungee jumper (m) = 150 kg
length of cord (L) = 78 m
acceleration due to gravity (g) = 9.8 m/s
initial energy = mgh = 150 x 9.8 x 393 = 577,710 J
since the jumper barely touches the water, the maximum extension of the cord (x) = 393 - 78 = 315 m
from the conservation of energy mgh =
therefore
577,710 =
k = 11.64 N/m
from Hooke's law, force (f) = kx' ⇒ mg = kx'
where x' is the extension of the cord when it comes to rest
150 x 9.8 = 11.64 × x'
x' = 126.3 m
the final height at which the cord comes to a rest = height of the bridge - length of the cord - extension of the cord when it comes to rest
the final height at which the cord comes to a rest = 393 - 78 - 126.3 = 188.7 m
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Water, aluminum, redwood trees, and valley quail can be found anywhere on Earth. Water is everywhere, aluminum is a rich metal, trees are everywhere, valleys are everywhere.
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The descriptions of both the car's motion and of the proposed action are
defective, so the question is unanswerable.
-- The car's motion could be described in terms of its speed or its kinetic
energy, but "100 kN" is meaningless as a description of motion.
-- To describe a force as negative ("-200N") is meaningless as long as
neither a frame of reference nor a positive direction has been defined.
Answers
Answer;
X-ray scanners
Explanation;
- Diagnostic imaging techniques in the field of medicine help in determination of the causes of an injury or illness and also ensures accurate diagnosis.
- X-rays are examples of these diagnostic imaging techniques.
- X-ray scanners are commonly used to diagnose fractured bones or joint dislocation. X-rays are the fastest and easiest way for doctors to view and assess bone fractures, injuries and joint abnormalities.
- X-ray used for the bones uses small amount of ionizing radiation to generate pictures of bones in the body.