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3 years ago

The ocean helps absorb: hydrogen carbon dioxide nitrogen sulfur dioxide

Physics

2 answers:

Romashka-Z-Leto [24]3 years ago

5 0

Carbon Dioxide (CO2), this leads to a greenhouse effect.

icang [17]3 years ago

3 0

Answer: Carbon dioxide

Explanation:

The ocean helps in the absorption of carbon dioxide as phytoplankton absorbs carbon dioxide and performs the process of photosynthesis.

This process releases oxygen and consumes carbon dioxide by the process of diffusion.

More than normal level of carbon dioxide in water has lead to ocean acidification which is not good for the aquatic animals.

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A sport car starts from rest with an acceleration of 12 m/s2 . Calculate its final velocity after 7 s.

miv72 [106K]

Answer:

Final velocity= 84 m/s

Explanation:

V final= V initial + a * t

Vf = 0+ 12 (7)

Vf= 84 m/s

4 0

3 years ago

When two hydrogen atoms bond, the positive nucleus of one atom attracts the

mafiozo [28]

When two hydrogen atoms bond, the positive nucleus of one atom attracts the electrons of both the atoms since the electrons are shared between the two atoms now.

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3 years ago

A flock of ducks is trying to migrate south for the winter, but they keep being blown off course by a wind blowing from the west

Minchanka [31]

The ducks' flight path as observed by someone standing on the ground is the sum of the wind velocity and the ducks' velocity relative to the wind:

ducks (relative to wind) + wind (relative to Earth) = ducks (relative to Earth)

or equivalently,

$\vec v_{D/W}+\vec v_{W/E}=\vec v_{D/E}$

(see the attached graphic)

We have

ducks (relative to wind) = 7.0 m/s in some direction θ relative to the positive horizontal direction, or

$\vec v_{D/W}=\left(7.0\dfrac{\rm m}{\rm s}\right)(\cos\theta\,\vec\imath+\sin\theta\,\vec\jmath)$

wind (relative to Earth) = 5.0 m/s due East, or

$\vec v_{W/E}=\left(5.0\dfrac{\rm m}{\rm s}\right)(\cos0^\circ\,\vec\imath+\sin0^\circ\,\vec\jmath)$

ducks (relative to earth) = some speed v due South, or

$\vec v_{D/E}=v(\cos270^\circ\,\vec\imath+\sin270^\circ\,\vec\jmath)$

Then by setting components equal, we have

$\left(7.0\dfrac{\rm m}{\rm s}\right)\cos\theta+5.0\dfrac{\rm m}{\rm s}=0$

$\left(7.0\dfrac{\rm m}{\rm s}\right)\sin\theta=-v$

We only care about the direction for this question, which we get from the first equation:

$\left(7.0\dfrac{\rm m}{\rm s}\right)\cos\theta=-5.0\dfrac{\rm m}{\rm s}$

$\cos\theta=-\dfrac57$

$\theta=\cos^{-1}\left(-\dfrac57\right)\text{ OR }\theta=360^\circ-\cos^{-1}\left(-\dfrac57\right)$

or approximately 136º or 224º.

Only one of these directions must be correct. Choosing between them is a matter of picking the one that satisfies both equations. We want

$\left(7.0\dfrac{\rm m}{\rm s}\right)\sin\theta=-v$

which means θ must be between 180º and 360º (since angles in this range have negative sine).

So the ducks must fly (relative to the air) in a direction 224º relative to the positive horizontal direction, or about 44º South of West.

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3 years ago

An object will not lose its blank as it moves away from earths surface, but it will lose blank

ladessa [460]

Mass, weight. Mass is independent of the object’s location, whereas weight is not.

3 0

3 years ago

How many atoms are in 3.5 moles of sulfur

irina [24]

There are 2.1077x10^24 atoms of sulfur in 3.50 mols of sulfur.

5 0

3 years ago