Light travels fastest when moving through

Answers

Answer 1
Answer: a vaccum unlike sound,light can travel through any matter including a great vacuum of nothing (space) 

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How does the steady state theory of the origin of the universe differ from the Big Bang and oscillating theories?

Answers

Answer:

Big bang describes an ever expanding model of the universe.

Steady state theory explains a universe that always existed in the same state.

Explanation:

The two theories Big bang and Steady state are two of the theories that  explain the origin of the universe in two different ways.

The Big bang model states that the universe is ever expanding and began from a singularity. It says that from that time universe is ever expanding creating new clusters of galaxies.

This was proved using mathematical formulae and models .

Steady state theory states that the density of matter remains unchanged due to the creation of matter. Observable universe is the same at any point of time is its summary.

Answer:

The big bang is the theory that describes how the universe emerges, it tells us that in the beginning all the space was contained in a space that was too small, and from there, it expanded rapidly until it reached the state of the universe that we know today, and that continues in expansion.

The theory of the oscillating universe describes a universe that begins and ends cyclically, it  beging with something like the big bang, end ends in what is known as the big crunch, and so on. It says that the universe did not have a beginning but has always been restarting.

The theory of the static  or steady state universe describes a type of universe uniform in space and time. And in which the universe has always remained the same regardless of where it is observed, wich is different from the other theories since the big bang theory says the universe had a beginning. In this theory it is claimed that the universe is homogeneous and isotropic. This theory is not very popular today.

If there is a resistance off 45 ohms and a current of 120amps , what is the voltage ? ​

Answers

Hello!

The answer is:  The voltage is 5400 Volts.

Why?

We can calculate the voltage using the Ohm's Law.

The Ohm'ws Law states that:

V=I*R

Where,

V, is the voltage in volts

I, is the current in amps

R, is the resistance in ohms

We are given:

R=45ohms\nI=120Amps

Now, calculating the voltage, we have:

V=I*R=45ohms*120Amps=5400Volts

Hence, the voltage is 5400 Volts.

We can also calculate the power using the following formula:

P=V*I

Where,

P, is the power in watts

V, is the voltage in volts

I, is the current in amps

So,

P=5400Volts*120Amps=648000W

Have a nice day!

Science is the process of pursuing knowledge?

Answers

yes science is the process of pursuing knowledge this is because without science we would not know about our brains and our brains help us peruse knowledge

Science is the process of pursuing knowledge because we would understand or know about weather processing and earth and are planets.

What makes a planet a dwarf planet?

Answers

if a plant is under 700km in diameter it is considered a dwarf planet, according to the international astronomical union it must orbit around the sun, be massive enough to be in hydrostatic equilibrium, and it has cleared the neighborhood around its orbit.

Which of the following is not a way that oil production could potentially affect aquatic viability?

Answers

Since you have not presented any choices that would tell us which is NOT a way that oil production could potentially affect aquatic viability, I'll just go ahead and answer what are ways that oil could affect aquatic viability.

-Offshore drilling contaminates and disturbs habitats of aquatic creatures
-Transport of oil across seas or oceans might lead to oil spill
-Waste products from energy factories using oil still would disturb habitat

answer: c- interruption of water flow

What portion of the electromagnetic spectrum can human eyes detect? A.
visible light

B.
visible light and infrared light

C.
infrared light

D.
infrared light and ultraviolet light

Answers


Well, there's a very definite reason why a certain sliver of the electromagnetic
spectrum is called "visible". 

The meaning of the word 'visible' is 'can be seen with eyes', and that's the label
given to the part of the electromagnetic spectrum that can be seen with eyes.
It doesn't include infrared or ultraviolet radiation, because those cannot be seen
with eyes.  Only the 'visible' wavelengths can.



Answer:

visible light

Explanation: