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Nikolay [14]
3 years ago
9

Why might a volcanic eruption lead to cooler temperatures over a large area around the volcano

Physics
1 answer:
wel3 years ago
8 0
Because of ash clouding the sky, blocking sunlight for a while.
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How do fossils provide evidence of continental drift?
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3 years ago
In the context of energy transfers with hot and cold reservoirs, the sign convention is that _______________.
Likurg_2 [28]

Answer:

B. QC > 0; QH < 0

Explanation:

Given that there are two reservoir of energy.

Sign convention for heat and work :

1.If the heat is adding to the system then it is taken as positive and if heat is going out from the system then it is taken as negative.

2. If the work is done on the system then it is taken as negative and if the work is done by the system then it is taken as positive.

From hot reservoir heat is going out that is why it is taken as negative

Q_H

From cold reservoir heat is coming inside the reservoir that is why it is taken as positive

Q_C>0

That is why the answer will be

Q_H ,Q_C>0

8 0
3 years ago
Two positive point charges repel each other with force 0.36 N when their separation is 1.5 m. What force do they exert on each o
egoroff_w [7]
The answer is: 0.81

I hope this helps :)
6 0
3 years ago
Pls help
Arte-miy333 [17]

Answer:

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4 0
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A uniform-density sphere whose mass is 13 kg and radius is 0.3 m
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What are you trying to find?


6 0
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