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2 years ago

What evidence is there that the Universe began in a big bang?

Physics

2 answers:

MArishka [77]2 years ago

6 0

Answer:

The earliest and most direct observational evidence of the validity of the theory are the expansion of the universe according to Hubble's law (as indicated by the redshifts of galaxies), discovery and measurement of the cosmic microwave background and the relative abundances of light elements produced by BBN.

Explanation:

Google - Approved!

NeTakaya2 years ago

5 0

Answer: For me personally i have a Biblical faith and first of all there is evidence that looks convincing that the big bang made the universe, but man wants answers and God in the Bible says he created the universe for us it is hard to believe it but i have faith.

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Light travels _____________ in a material with a higher index of refraction.

Aleks [24]

Light travels Slower in a material with a higher index of refraction.
because Water has a higher index of refraction than air and it travels slower (bends) in water
high index mean slow travel
hope it helps

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2 years ago

Read 2 more answers

Two coaxial conducting cylindrical shells have equal and opposite charges. The inner shell has charge +q and an outer radius a,

Leviafan [203]

Answer:

$\Delta V = \frac{q ln(\frac{b}{a})}{2\pi \epsilon_0 L}$

Explanation:

As we know that the charge per unit length of the long cylinder is given as

$\lambda = \frac{q}{L}$

here we know that the electric field between two cylinders is given by

$E = \frac{2k\lambda}{r}$

now we know that electric potential and electric field is related to each other as

$\Delta V = - \int E.dr$

$\Delta V = -\int_a^b (\frac{2k\lambda}{r})dr$

$\Delta V = -2k \lambda ln(\frac{b}{a})$

$\Delta V = \frac{\lambda ln(\frac{b}{a})}{2\pi \epsilon_0}$

$\Delta V = \frac{q ln(\frac{b}{a})}{2\pi \epsilon_0 L}$

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2 years ago

A scientist discovers a fossil of an animal and places it in the fossil record. The organism’s bones are similar to the bones of

ZanzabumX [31]

Answer:

I think 3

Explanation:

That makes sense

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1 year ago

How is newtons third law of motion demonstrated on a roller coaster?

butalik [34]

Newton's Third Law of Action-Reaction is that for each and every action that happens, there is an equal and opposite reaction to it. In the scenario of a roller coaster, this is when you push down on the seat of the roller coaster as it flies along and the seat pushes back against you.

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2 years ago

A object was fired at 17ms at 40 degree angle horizontal , if object traveled 29meters how long was it in the air

Oksi-84 [34.3K]

First you need to find the initial x component which is 13.02. After that you plug it into the 3rd formula on the AP physics formula sheet. Then rearrange it into the quadratic formula and solve for time. The answer should be 4.1 seconds.

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1 year ago

What evidence is there that the Universe began in a big bang?​

What evidence is there that the Universe began in a big bang?