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zepelin [54]
2 years ago
5

Pick one of these claims. please pick one.

Physics
2 answers:
Julli [10]2 years ago
5 0
There is more cellular respiration, so carbon dioxide increases in the air
masya89 [10]2 years ago
4 0
I think it’s claim 2. cause In claim 1 photosynthesis isn’t the reason for carbon dioxide in the air, cellular respiration is.
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What determines how soon one action potential can follow another?
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3 years ago
You pull a solid nickel ball with a density of 8.91 g/cm3 and a radius of 1.40 cm upward through a fluid at a constant speed of
Sunny_sXe [5.5K]

Answer:

P = 1.090\,N

Explanation:

The constant speed means that ball is not experimenting acceleration. This elements is modelled by using the following equation of equilibrium:

\Sigma F = P - W + F_{D}

\Sigma F = P - \rho \cdot V \cdot g + c\cdot v = 0

Now, the exerted force is:

P = \rho \cdot V \cdot g - c\cdot v

The volume of a sphere is:

V = \frac{4\cdot \pi}{3}\cdot R^{3}

V = \frac{4\cdot \pi}{3}\cdot (0.014\,m)^{3}

V = 1.149\times 10^{-5}\,m^{3}

Lastly, the force is calculated:

P = (8910\,\frac{kg}{m^{3}} )\cdot (1.149\cdot 10^{-5}\,m^{3})\cdot (9.81\,\frac{m}{s^{2}} )+(0.950\,\frac{kg}{s})\cdot (0.09\,\frac{m}{s} )

P = 1.090\,N

5 0
3 years ago
E. weight = mass x gravitational field strength
allsm [11]

Answer:

e. weight = mass x gravitational field strength

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2 years ago
a gold smith claims that an ornament is made up of pure gold of density 19.32g c/m2 . A chain made from gold weighs 25.25g . the
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