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malfutka [58]
3 years ago
11

Which of Hubble’s discovery support the Big Bang theory

Physics
2 answers:
Varvara68 [4.7K]3 years ago
7 0

Answer:

Redshift increases with distance

Explanation:

Edwin Hubble discovered a relation for distance and radial velocities of galactic nebulae from their redshifts i.e., when an object is moving away from earth the wavelength of light gets changed due to the Doppler effect.

He also found that two galaxies when further apart have a greater speed by which they are moving away from each other. This was used to prove the Big Bang theory laid down by Georges Lemaître.

kakasveta [241]3 years ago
5 0

Answer:

there are no mutiple choices

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What human body feature allows the respiratory system to take in oxygen
alexandr1967 [171]

The answer to your question is: the lungs.

The lungs allow the respiratory system to take in oxygen.


(Hope this helps!)

8 0
3 years ago
Which circuit has the largest equivalent resistance?.
Alexeev081 [22]
The series circuit has the higher equivalent resistance, but to find the larger equivalent resistance you have to use Ohm's law (V2=I2R2), the power dissipated by the resistor can also be found using P2=I22R2=V22R2. To find the equivalent resistance of the circuit, notice that the parallel connection of R2 and R3 is in series with R1, so the equivalent resistance is Req=R1+(1R2+1R3)−1=1.00Ω+(16.00Ω+113.00Ω)−1=5.10Ω.

Hope this helps!
Please give Brainliest!
6 0
2 years ago
Two spherical objects are separated by a distance of 2.59 × 10-3 m. The objects are initially electrically neutral and are very
kodGreya [7K]

Answer:

Number of electrons, n = 12 electron

Explanation:

Given that,

The distance between charged spheres, d=2.59\times 10^{-3}\ m

The object experiences an electrostatic force that has a magnitude of, F=4.94\times 10^{-21}\ N

The electric force between spheres is given by :

F=\dfrac{kq^2}{d^2}

q=\sqrt{\dfrac{Fd^2}{k}}

q=\sqrt{\dfrac{4.94\times 10^{-21}\times (2.59\times 10^{-3})^2}{9\times 10^9}}

q=1.91\times 10^{-18}\ C

Let there are n number of electrons. Using quantization of electric charge we get :

q=ne

n=\dfrac{q}{e}

n=\dfrac{1.91\times 10^{-18}}{1.6\times 10^{-19}}

n = 11.93 electrons

or

n = 12 electrons

Hence, 12 electrons produce the charge on one of the objects.

4 0
3 years ago
A scuba diver measures an increase in pressure of around 10^5 Pa upon descending by 10 m, what is the change in force per square
IceJOKER [234]

Answer:

Explanation:

Given that, .

Pressure around scuba is

P = 10^5 Pa

1 Pa = 1 N/m²

Then

P = 10^5 N/m²

Descending height

h = 10m

Change in force per unit square centimetre

We know that,

Pressure = Force / Area

Then,

Force / Area is the required question we are finding

Then,

Force / Area = 10^5 N / m²

So, let convert the m² to cm²

100cm = 1m

(100cm)² = (1m)²

10⁴cm² = 1m²

Then,

Force / Area = 10^5 N/m² × 1m² / 10⁴cm²

Force / Area = 10 N/cm²

So, the force per unit square centimeters is 10.

7 0
3 years ago
According to the graph, how many light-colored moths existed in year 2?
Darina [25.2K]
B is the answer

Explanation: look at the graph
3 0
3 years ago
Read 2 more answers
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