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lawyer [7]
3 years ago
15

Is water weaker than rock?

Physics
2 answers:
sveticcg [70]3 years ago
4 0

Answer:

yes, if water was stronger then the rocks would not sink.

Explanation:

grin007 [14]3 years ago
3 0
Yesssssssssssssssssir
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The Earth's oceans act as a climate moderator. Oceans do this in many ways, including ALL BUT one method listed here. That is A)
LUCKY_DIMON [66]

Answer:

Option D is correct that is providing moisture to Earth's atmosphere.

Step-By-Sep explanation:

The Earth's  oceans act as a climate  Moderator

The water from oceans gets evaporated which eventually provide moisture to the Earth's atmosphere .Moisture Creates humidity in the atmosphere which increases the temperature and causes greenhouse affect eventually causes global warming.

Therefore, option D is correct that is providing moisture to Earth's atmosphere.

3 0
3 years ago
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A hair dryer is basically a duct of constant diameter in which a few layers of electric resistors are placed. A small fan pulls
nekit [7.7K]

Given:

density of air at inlet, \rho_{a} = 1.20 kg/m_{3}

density of air at inlet, \rho_{b} = 1.05 kg/m_{3}

Solution:

Now,

\dot{m} = \dot{m_{a}} = \dot{m_{b}}

\rho_{a} A v_{a} = \rho _{b} Av_{b}                        (1)

where

A = Area of cross section

v_{a} = velocity of air at inlet

v_{b} = velocity of air at outlet

Now, using eqn (1), we get:

\frac{v_{b}}{v_{a}} = \frac{\rho_{a}}{\rho_{b}}

\frac{v_{b}}{v_{a}} = \frac{1.20}{1.05} = 1.14

% increase in velocity = 1.14\times 100 =114%

which is 14% more

Therefore % increase in velocity is 14%

5 0
3 years ago
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What is transmitted by all waves? a. energy b.mass c.matter b.sound
Evgesh-ka [11]
A. Energy is transmitted by all waves.
7 0
3 years ago
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Which statement describes a surface wave?
nexus9112 [7]
The answer would be c because a surface wave travels between two different materials, like air and water.
8 0
3 years ago
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In most cases, what happens to a liquid when it cools?
erik [133]

Answer:

Option (A) and (F)

Explanation:

As the liquid cools down, it means the temperature decreases the density of the liquid increases in most o the cases.

Now the volume is inversely proportional to the density of substance so density increases.

7 0
3 years ago
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