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Svetlanka [38]
4 years ago
15

Which energy source would you prefer in your neighborhood:

Physics
2 answers:
Zinaida [17]4 years ago
6 0

Answer:

i think solar, space

Explanation:

please tell me if i got it right

Natalija [7]4 years ago
6 0

It's some risky to say "the best one" in general. The best one for what? (environment, cost availability, sustainability, easy access, usability, storage feasability,,,) Solar seems the best for individual buildings (eventually combined with geothermal). Wind is OK for distribution, but generators should not occupy land instead of trees (neither solar panels should), not fil up the seas and kill birds, mess up landscape, etc, Hydraulic has been sinds many time a good sustainable solution but is limited and only possible in countries with mountains, like Norway, Switzerland... Also generating power from seawaves. Not all biofuels are sustainable: they must have a sustainable origin.

Hope it helps you

Explanation:

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Bru this was a challenge
vredina [299]

Answer:

what was a challenge,,

Explanation:

?

5 0
3 years ago
Read 2 more answers
describe the time of day that an early explorer might have planned to enter a harbor and when he might have planned to leave
inessss [21]
He would try to enter as the tide is rising, and leave as the tide is falling. Those things happen at all different times of day during a month.
4 0
3 years ago
Gold, which has a mass of 19.32 g for each cubic centimeter of volume, is the most ductile metal and can be pressed into a thin
Dennis_Churaev [7]

Answer:

area = 5733.33  cm²

length = 5.47 ×10^{7} cm

Explanation:

Given data

density = 19.32 g/cm³

mass = 33.16 g

thickness = 3.000 µm = 3 ×10^{-4} cm

radius r = 1.000 µm = 1 ×10^{-4} cm

to find out

area of the leaf and  length of the fiber

solution

we know volume formula that is

volume = mass / density

volume = 33.16 /  19.32

volume = 1.72 cm³

we know that volume = thickness × area

so area

area = volume / thickness

area = 1.72 / 3 ×10^{-4}

area = 5733.33  cm²

and

we know volume = πr²L

so L = volume /  πr²

length = 1.72 / π(1×10^{-4})²

length = 5.47 ×10^{7} cm

3 0
3 years ago
Would sound travel faster in an oven or a freezer?
statuscvo [17]

Answer:

An Oven

Explanation:

The heat is higher, so it moves faster. Shile in a freezer the particles are extremely slow!

6 0
3 years ago
Two point charges, 1.8 pC and −1.8 pC, are separated by 7 µm. What is the dipole moment of this pair of charges?
Salsk061 [2.6K]

Answer: 12,600,000Cm

Explanation:

From the data's;

Charges(q) = 1.8 PC equal to 1.8 x 10^¹²C

Distance = 7 micrometer, is equal to 0.0000070m

From the equation of electric dipole moment, p= q x d, where q= charge, d=distance and p is the dipole moment.

Then we have 1.8x10^¹² x 0.0000070= 12,600,000Cm

NB: The charges are identical.

3 0
3 years ago
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