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Pepsi [2]
3 years ago
15

In terms of running the earth's atmospheric processes, the significant energy comes from the sun and ________. a. reflection fro

m venus b. the next closest star c. no other source d. the moon e. earth's interior
Physics
2 answers:
slavikrds [6]3 years ago
5 0
C no other source njknlkjbhkljbgkuygvbkhvlbkjbnblhbh


Bezzdna [24]3 years ago
5 0

Answer:

the answer is D the moon

Explanation:

i took the quiz

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A person lifts a 25 kg box of old sports equipment at an angle of 75 degrees to the vertical to a shelf 2.6 meters above. How mu
kogti [31]

Answer:

164.87 J

Explanation:

From the question,

Work done (W) = mghcosθ........................ Equation 1

Where m = mass of the box, h = height, g = acceleration due to gravity, θ = angle to the vertical

Given: m = 25 kg, h = 2.6 meters, θ = 75°.

Constant: g = 9.8 m/s²

Substitute these value into equation 1

W = 25×9.8×2.6×cos75°

W = 164.87 J.

6 0
2 years ago
What happens to the density of ocean water when salinity increases? A. It increases. B. It decreases. C. It becomes variable. D.
omeli [17]
A. It increases... but slightly. Good luck!
3 0
3 years ago
Find the number of electrons in the subshell with azimuthal quantum number l=2
steposvetlana [31]

Answer:

23 electrons

Explanation:

i just know because im a god

6 0
2 years ago
In a white dwarf, electrons are packed in so tightly that they physically cannot get any closer to one another. This provides an
Natalka [10]

Answer:

The white dwarf will start to get darker.

Explanation:

The white dwarf will keep is spherical shape, since electron degeneracy pressure (outward direction) will counteract the force of gravity due to its own mass (inward direction) which lead to hydrostatic equilibrium.

A nuclear reaction occurs when light elements combine into heavier elements (that is know as nucleosynthesis). Exist different ways in which that can happen, but the most common is the Proton-Proton chain. In that fusion reaction, two atoms of Hydrogen combine to form helium, while the fusion takes place, photons are created.

Photons are the elementary particles that constitute light and taking into account that in white dwarfs the production of photons has ceased because there are no nuclear fusions, then, it is clear that the white dwarf will start to get darker as it cools since is emitting into space the photons produced in the past.

4 0
3 years ago
Emma is running for the bus. She runs 100 metres in 25 seconds. Calculate her speed
Afina-wow [57]

Answer:

25km/h

is that the full question

8 0
3 years ago
Read 2 more answers
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