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3 years ago

Which of these would not contribute to a global increase in temperature?

Physics

1 answer:

Katyanochek1 [597]3 years ago

6 0

Answer:

planting trees - increasing the amount of animal life on earth

Explanation:

from all the other options given, all except planting trees will increase global temperature.

1. deforestation: this removes vegetative cover and the amount of oxygen in the atmosphere.

2. increasing the use of gasoline burning vehicles: burning gasoline produces carbon dioxide which is a green house gas which traps heat in the atmosphere and causes global warming

3. increasing the industrial release of carbon dioxide: carbon dioxide is released when gasoline is burned in industries, this in-turn causes global warming.

Trees produces oxygen and sucks in carbon dioxide which causes global warming. more trees mean more oxygen and less carbon dioxide which translates to less global increase in temperature

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A copper rod 81 cm long is used to poke a fire. the hot end of the rod is maintained at 105° c and the cool end has a constant t

Ugo [173]

The temperature inside the copper rod varies linearly with the distance from the hot end of the rod. This means that we can find the temperature at 23 cm (let's call it 'point A') from the cool end by solving a linear proportion.

The temperature difference between the two ends of the rod is
$\Delta T = 105^{\circ}-21^{\circ} = 84^{\circ}$
and this corresponds to a length of 81 cm. Therefore, we can write:
$84^{\circ}:81~cm = x:23~cm$
from which we find
$x=23.8~^{\circ}$
This is not the final answer actually; this is the temperature difference between the cool end and point A. So, the temperature at point A is
$T_A = 21^{\circ}+x=44.8^{\circ}$

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2 years ago

Titan is the only moon in the solar system with a significant atmosphere. which planet does titan orbit?

sveticcg [70]

"Saturn". It is largest moon of Saturn.

In short, Your Answer would be Option B

Hope this helps!

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2 years ago

What kind of wave (transverse of longitudinal) is each of the following and why?

Elina [12.6K]

Answer:

1.) Longitudinal waves

2.) Transverse waves

3.) Longitudinal waves

Explanation:

The sound of one whale calling another whale underwater. is a longitudinal wave since the medium, in this case the body of water, is vibrating parallel to the direction of propagation of the wave.

A pulse sent down a stretched rope by snapping one end of it. ( transverse wave) because its oscillations are perpendicular to the direction of the wave or path of propagation

The vibrations in a guitar string

Longitudinal wave. Because its oscillations are parallel to the direction of the wave or path of propagation

5 0

3 years ago

A student pushes a 5 kg box initially at rest along a flat, rough table with a rightward force of 10 N. The frictional force act

Pie

Answer:

Please find attached pdf

Explanation:

Download pdf

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3 years ago

What is the magnitude of electrical force of attraction between an copper nucleus (29 protons) and its innermost electron if the

Agata [3.3K]

The charge of the copper nucleus is 29 times the charge of one proton:
$Q=29 q= 29 \cdot 1.6 \cdot 10^{-19}C=4.64 \cdot 10^{-18}C$
the charge of the electron is
$e=-1.6 \cdot 10^{-19}C$
and their separation is
$r=1.0 \cdot 10^{-12} m$

The magnitude of the electrostatic force between them is given by:
$F=k_e \frac{Qe}{r^2}$
where $k_e$ is the Coulomb's constant. If we substitute the numbers, we find (we can ignore the negative sign of the electron charge, since we are interested only in the magnitude of the force)
$F=(8.99 \cdot 10^9 Nm^2C^{-2}) \frac{(4.64 \cdot 10^{-18}C)(1.6 \cdot 10^{-19}C)}{(1.0 \cdot 10^{-12} m)^2}=6.68 \cdot 10^{-3} N$

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3 years ago