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4 years ago

Cosmologist study ____

Physics

2 answers:

Anastasy [175]4 years ago

7 0

Answer:

Cosmology is the study of size and structures of the universe

Explanation:

Cosmology is the branch of physics that deals with the study of the physical origins and how the universe evoluate .It also study the nature of the Universe on a large scale properties how the universe started and how it was structured.

Cosmology was dominated by Big Bang theory.

Firlakuza [10]4 years ago

5 0

The origin and development of the universe

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If the impulse acting on an object is 100n waht is force acting on it if the time 1 s

lutik1710 [3]

force = 100 N

Impulse ( N.s ) : Force ( N ) * Time ( s )

⇒ 100 N.s = force * 1 s

⇒ force = 100/1

⇒ force = 100 N

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3 years ago

If you measured 25 g jelly beans and 25 g of gumdrops, the number of jellybeans would be

KengaRu [80]

The number of jellybeans would be B.more than the gumdrops.

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3 years ago

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If an electron is accelerated from rest through a potential difference of 9.9 kV, what is its resulting speed? (e = 1.60 × 10-19

Nata [24]

Answer:

So speed of electron will be $5.89\times 10^{-7}m/sec$

Explanation:

We have given potential difference V = 9.9 KV

Charge on electron $e=1.6\times 10^{-19}$

So energy of electron $E=eV=1.6\times 10^{-19}\times 9.9\times 10^3=15.84\times 10^{-16}J$

This energy of electron will be equal to kinetic energy of electron

So $\frac{1}{2}mv^2=15.84\times 10^{-16}J$

$\frac{1}{2}\times 9.11\times 10^{-31}v^2=15.84\times 10^{-16}$

$v=5.89\times 10^{-7}m/sec$

So speed of electron will be $5.89\times 10^{-7}m/sec$

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3 years ago

Formed through longshore drift a. sea stack b. sandbar c. spit d. headland

ANTONII [103]

<h3>Answer;</h3>

Sand Spit or Spit

<h3>Explanation;</h3>

Long shore drift is the process that occurs when a sheet of water moves on and off the beach, in other words the swash and back swash, thus capturing and transporting sediment on the beach back out to the sea.
Sandbar is normally formed when the sandspit stretches across a bay and connects the two sides. Headland is a high piece of land that extends out onto the sea. Sea stacks on the other hand results from the collapsing of the roof of the arch.

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4 years ago

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Why is cooking faster with a pressure cooker. plz help me I beg

Katyanochek1 [597]

Explanation:

The same thing happened in pressure cooker but the temperature inside is most higher.

hope you like my answer

thank you

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3 years ago

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