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Misha Larkins [42]
4 years ago
12

what is the displacement of the earth after one orbit about the the sun? what is the average velocity of the earth after one orb

it in m/s
Physics
1 answer:
valina [46]4 years ago
6 0
5.7 seconds idk idk
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Why sound are more audible at night then in a day ? (please hope answer will not be too long)​
mojhsa [17]

<em><u>Answer:</u></em>

You can only hear it at night. The reason for this upward diversion of sound in the daytime versus the downward diversion at night is the strong dependency of the speed of sound in the atmosphere on temperature. The atmosphere acts like a lens that focuses sound energy upwards during the day, but keeps it at ground level during the night.

<em><u>Or</u></em>

<em><u>During the day, the sound bends away from the ground; during the night, it bends towards the ground. Hence at night you have additional "sound" reaching you, making it louder.</u></em><em><u> </u></em>

This is the Answer for your question :3

I hope you are having a great day ❤️❤️❤️❤️❤️

5 0
3 years ago
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What is accerlation ?​
andre [41]

Explanation:

ability to gain speed over a short period of time.

the formula is:

_           v - v0               <Delta> v

a    =     _______    =   ________

                    t               <Delta> t

4 0
3 years ago
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During normal beating, the heart creates a maximum 3.60 mV potential across 0.250 m of a person's chest, creating a 1.00 Hz elec
grandymaker [24]

Answer:

The maximum electric field strength is 0.0144 V/m.

Explanation:

Given that,

Electric potential created in the heart, V = 3.6 mV

Distance, d= 0.25 m

Frequency of the the electromagnetic wave, f = 1 Hz

We need to find the maximum electric field strength created. We know that the electric potential is given by :

V=Ed

E is the maximum electric field strength

E=\dfrac{V}{d}\\\\E=\dfrac{3.6\times 10^{-3}\ V}{0.25\ m}\\\\E=0.0144\ V/m

So, the maximum electric field strength is 0.0144 V/m. Hence, this is the required solution.

5 0
3 years ago
Which symbol represents a type of electromagnetic radiation released during radioactive decay?
Lena [83]
The correct option is (D) Gamma ( _0^0\gamma )

Explanation:
Now this question is a tricky one because all of these options are somehow involved in radioactive decay; however, in this case the SYMBOL is required NOT the elements. There are three symbols involved in radioactive decay, which are:
1. α for alpha decay
2. β for beta decay
3. γ for gamma decay 

In the options only one symbol is present which is gamma. Hence option (D) Gamma ( _0^0\gamma ) is the correct answer.

-i
4 0
4 years ago
The distance between a proton and an electron is cut in half. How does the force of attraction change?
miv72 [106K]

According to Coulomb’s Law, the force will quadruple.

However…

Let’s assume, for the sake of argument, that both proton and electron behave entirely like particles.

The trajectory of the electron will stretch, and its distance from the nucleus will oscilate until is estabilizes again at the original value.

4 0
3 years ago
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