Describe Earth's three global wind belts

Answers

Answer 1

Answer: Polar Easterlies: From 60-90 degrees latitude.
Prevailing Westerlies: From 30-60 degrees latitude (aka Westerlies).
Tropical Easterlies: From 0-30 degrees latitude (aka Trade Winds).

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An extended period when temperatures are well below average is known as a/an A. drought.
B. ice age.
C. cold wave.
D. draft.

Answers

It would be a cold wave.
Ice ages occur when the temperatures are extremely cold.(long-term)

Depends on the "period". If weeks, months, or years, then it's a cold wave. If centuries, then you've got yourself an ice age.

The density of ocean water increases when ita. joins the Gulf Stream.
c. gets warmer.
b. gets colder.
d. turns to ice. Please select the best answer from the choices provided A B C D

Answers

The correct answer is (b.) gets colder. The density of the ocean water increases when the water gets colder. Therefore, it is already concluded that the density of the water and its temperature is indirectly proportional since as the density increases, the temperature decreases.

Answer: Option (b) is the correct answer.

Explanation:

Density means the degree of compactness, that is, when particles of an object or substance are closer to each other then it is said that density of object is high.

Therefore, when ocean water gets colder then particles of water will gain potential energy and thus they will come closer to each other. Hence, there will be increase in density of ocean water when it gets colder.

What’s the kinetic energy of the object? Use .Erica is competing in the shot put event at a track meet. She hurls a shot with a mass of 4 kilograms at a speed of 9 meters/second. The shot’s kinetic energy is joules.

Answers

The kinetic energy of an object varies directly with the square of the speed of an object. The required kinetic energy of the shot is f 162 J.

What is Kinetic Energy?

The energy possessed by an object by its motion is known as the object's kinetic energy. It depends on the speed and mass of the given object.

Given data -

The mass of shot put is, m = 4 kg.

The speed of shot put is, v = 9 m/s.

The mathematical expression for the kinetic energy of the shot put is,

$KE = (1)/(2) m v^(2)$

Solving as.

$KE = (1)/(2) * 4 * 9^(2)\n\nKE = 162 \;\rm J$

Thus, we can conclude that the required kinetic energy of the shot is of 162 J.

Learn more about the kinetic energy here:

brainly.com/question/999862

Answer:

We have: K.E. = mv² / 2

here, m = 4 Kg

v = 9 m/s

Substitute their values into the expression:

K.E. = (4)(9)² / 2

K.E. = (4)(81) / 2

K.E. = 324 / 2

K.E. = 162 Joules

Explanation:

In short answer: it would be K.E.=162 Joules

Which of the following is not a main cause of weathering? A.wind

B. Glaciers

C. Moving water

D. Human actions

Answers

Which is not a cause of weathering?

A. well I wouldn't say wind because wind is a part of what happens with tornadoes

B. It would be glaciers because they stand alone unless wind or something takes responsible action for it to happen. So it takes either some other thing for it to happen like water and a really cold temperature.

C. Moving water is like rain so it would be a type of climate so it would not be the answer to what is not a main cause of weathering.

D. human actions is a cause for weathering because you can put a box of melted ice cream in a freezer and it will be frozen again.

To make this less confusing I would say it is B. Glaciers because glaciers cannot cause weather to happen.

~QueenBeauty666~

B. Glaciers

a would not do because wind does a lot of weather damage

c would not do because moving waters cause hurricanes

d would not do because humans cause acidic rain

Suppose you ride your bicycle to the library traveling at 0.5 km/min. It takes you 25 minutes to get to the library. How far did you travel?

Answers

If you cover 0.5 km every minute, and keep it up for 25 minutes,
then you will cover

0.5 + 0.5 + 0.5 + 0.5 + 0.5 +
0.5 + 0.5 + 0.5 + 0.5 + 0.5 +
0.5 + 0.5 + 0.5 + 0.5 + 0.5 +
0.5 + 0.5 + 0.5 + 0.5 + 0.5 +
0.5 + 0.5 + 0.5 + 0.5 + 0.5 = 12.5 km.

An easier way to write the same thing is

(25) times (0.5 km) = 12.5 km.

If 20 beats are produced within one second, which of the following frequencies could possibly be held by two sound waves traveling through a medium along a common path at the same time? A. 38 Hz and 63 Hz
B. 22 Hz and 42 Hz
C. 47 Hz and 55 Hz
D. 18 Hz and 26 Hz

Answers

Answer:

B. 22 Hz and 42 Hz

Explanation:

The beat is an interference pattern which occurs when two waves of slightly different frequencies meet each other. The beat is heard as a periodic variation, whose frequency (called beat frequency) is equal to the absolute value of the difference between the frequencies of the individual waves:

$f_B = |f_1-f_2|$

In this problem, we are told that 20 beats per second are produced, so the beat frequency is

$f_B = 20 s^(-1) = 20 Hz$

Therefore, we must find the two waves which have a difference in frequency equal to this value, 20 Hz. Let's see each choice:

A. 38 Hz and 63 Hz --> $f_B = |38 Hz-63 Hz|=25 Hz$ --> NO

B. 22 Hz and 42 Hz --> $f_B = |22 Hz-42 Hz|=20 Hz$ --> YES

C. 47 Hz and 55 Hz --> $f_B = |47 Hz-55 Hz|=8 Hz$ --> NO

D. 18 Hz and 26 Hz --> $f_B = |18 Hz-26 Hz|=8 Hz$ --> NO

So, the correct choice is

B. 22 Hz and 42 Hz

The right answer for the question that is being asked and shown above is that: "B. 22 Hz and 42 Hz." If 20 beats are produced within one second, the frequencies that could possibly be held by two sound waves traveling through a medium along a common path at the same time is B. 22 Hz and 42 Hz

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