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natta225 [31]
3 years ago
8

If the primary source of atmospheric thermal energy on Earth is energy from the Sun, what conclusion can be made from the diagra

m?
A.
The atmosphere of the Southern Hemisphere is always warmer than that of the Northern Hemisphere.
B.
The atmosphere at the Earth's equator is always warmer than the atmosphere at its poles.
C.
The atmosphere of the Northern Hemisphere is always warmer than that of the Southern Hemisphere.
D.
The atmosphere at the Earth's poles is always warmer than the atmosphere at its equator.

Physics
1 answer:
Tamiku [17]3 years ago
4 0

Answer:B

Explanation:

Because the Earth's core isn't moving around earth therefore the center of Earth will forever be warm

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If it is not an object in motion, all forces are balanced.

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Chose the word that correctly completes the following sentence: Kirchoff's junction law expresses the conservation of ____. a) m
Radda [10]

Answer:A- mass charge.

This can also be called current.

Explanation:

This is Kirchhoff’s 2nd law.

Kirchhoff’s junction law states that the sum of current(mass charge) flowing in and out of the junction must be equal to zero. This law emphasizes conservation of charge and energy. Charge is also a form of energy and it can neither be created nor destroyed.

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Nine steps for developing scientific principles are
xxTIMURxx [149]

Answer:

1)Observe a phenomenon

2)Ask a question/ start inferring

3)Form a hypothesis

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7 0
3 years ago
A 1.0-kg ball is attached to the end of a 2.5-m string to form a pendulum. This pendulum is released from rest with the string h
hram777 [196]

Answer:

v_{2}=3.5 m/s

Explanation:

Using the conservation of energy we have:

\frac{1}{2}mv^{2}=mgh

Let's solve it for v:

v=\sqrt{2gh}

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Now, using the conservation of momentum we have:

m_{1}v_{1}=m_{2}v_{2}

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Therefore the speed of the block after the collision is v_{2}=3.5 m/s

I hope it helps you!

       

8 0
3 years ago
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jenyasd209 [6]

Answer:

The material must be durable (quality of the material requirement)

Explanation:

The design criteria set for the materials used for technological design are;

1) The materials should be affordable (less costly)

2) The materials should be last for a long duration (high durability)

3) The material should be readily available (easily sourced)

Therefore, given that the engineers initially had the criteria for the required plastic to be of high quality and to be readily available, and that the poly-carbonate they found is long lasting and not too costly, the criteria met that was set initially was the  quality criteria of durability.

7 0
3 years ago
Read 2 more answers
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