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Ainat [17]
2 years ago
13

What are the three most abundant gases in the dry atmosphere?

Physics
2 answers:
Anastaziya [24]2 years ago
6 0

Answer:

Nitrogen, Oxygen, Argon.

Explanation:

The three (3) most abundant gases in the dry atmosphere are"

- Nitrogen

- Oxygen

- Argon

These are not the only components of dry air. Dry atmosphere is made up of:

- 78.09% Nitrogen;

- 20.95% Oxygen;

- 0.93% Argon;

- 0.04% Carbon dioxide;

- Other gases

Artemon [7]2 years ago
3 0

Answer:

Nitrogen, Oxygen and Argon.

Explanation:

Composition of Earth's atmosphere is as follows.

Nitrogen = 78%

Oxygen = 20.95%

Argon =  0.98%

and rest is other gases.

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A girl rides her scooter to school, a total distance of 4.5km. She has to slow down twice to cross busy streets, but overall the
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Answer:

6.93 km/h

Explanation:

To calculate her average speed, we need the "speed" formula, which is:

average speed = distance / time

You plug in your numbers and it will give you the answer.

Speed = 4.5km/0.65hr

           = 6.923 km/h

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3 years ago
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A pilot wishes to flt his planne to an airport north of his current location
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Answer:

Time = 2758.62 seconds

Explanation:

Given the following data;

Speed = 290 m/s

Distance = 800 km to meters = 800 * 1000 = 800000

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Time = distance/speed

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Time = 2758.62 seconds

Therefore, it will take the pilot 2758.62 seconds to reach the airport.

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2 years ago
Which statement expresses the relationship between the frequency of emitted electrons and the energy they give off?
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3 years ago
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what is the desnity of a material that has 2500 grams and a volume of 500 cubic centimeters in grams per cubic centimeter
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Divide 2500 g by 500 cc. The quotient is 5 g/cc ... the density.
4 0
3 years ago
Two canoeists in identical canoes exert the same effort paddling and hence maintain the same speed relative to the water. One pa
san4es73 [151]

Answer:

a) speed of water relative to shore = 0.85 m/s

b) speed of each canoe relative to the water =  2.05 m/s

Explanation:

Let the speed of the canoeists be 'v'

and,

the speed of stream relative to shore be 'u'

therefore,

for the canoeist padding upstream

u - v = - 1.2 m/s .............(1)

and,

for the canoeist padding downstream

u + v = 2.9 m/s  .............(2)

on adding equation (1) and (2), we get

   u - v = - 1.2

+  u + v = 2.9

===========

  2u + 0 = 1.7

or

u = 0.85 m/s

substituting u in equation 2 we get

0.85 + v = 2.9

or

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Hence,

a) speed of water relative to shore = 0.85 m/s

b) speed of each canoe relative to the water =  2.05 m/s

6 0
3 years ago
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