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Svetradugi [14.3K]
4 years ago
9

PROJECTILE MOTION-Why isn't there any accelertion in the x direction while there is an acceleration of -g in the y direction? ..

.?
Physics
1 answer:
Ahat [919]4 years ago
5 0
There is no acceleration of g in the x direction because the gravitational acceleration points downward. Also, on most studies we ignore the tidal forces since we are dealing with small bodies compared to the size of the earth.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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A student rings a brass bell with a frequency of 300 Hz. The sound wave
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16 m

Explanation:

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The sun has sufficient hydrogen to continue fusing into helium for how much longer?
vichka [17]

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4500 million years

Explanation:

The Sun shines thanks to the thermonuclear conversion of hydrogen to helium inside. It is currently 4,500 million years old and has reservations for a similar period of time. When this fuel is exhausted in the central region, the heart of the Sun, constituted of helium and in an inert state, will contract and put more external fuel reserves within reach of the star, with which this mass of helium will grow over time . When that happens, the Sun will evolve into a giant star that will reach the orbit of Mars and, therefore, destroy the planet Earth.

As the helium heart mass increases so do the central density and temperature. When it reaches 100 million degrees, helium fuses thermonuclearly with itself and becomes a mixture of carbon and oxygen.

When the helium runs out in the center, the previous operation is reproduced approximately. The carbon / oxygen heart contracts and the helium and hydrogen of the surrounding layers are placed within the reach of thermonuclear combustion. The difference is that this double combustion is unstable and the density is so high that electrons can, alone, stabilize the heart of carbon and oxygen. The end result is that the outer layers, which originate a planetary nebula, are expelled, and the old thermonuclear reactor becomes visible, which becomes a white dwarf that slowly cools like the embers of a fire over billions of millions. of years.

8 0
3 years ago
Why is a scientific theory the most powerful explanation scientists have to offer? (2 points) Group of answer choices
VikaD [51]

Answer:

Scientists believe it is the best explanation because it is built on data and observations. The majority of the scientific community voted on this theory over other possible explanations. It is the best explanation because it supports the beliefs and opinions of most scientists.

_Askmeanything2♡

4 0
3 years ago
What is the simulation theory?
Inessa05 [86]
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7 0
3 years ago
What happens to the wavelength as the frequency of a whale noise changes from
gregori [183]

Wavelength decreases

Explanation:

When the frequency of a wave increases from 200hz to 300hz, the wavelength of the whale noise will decrease.

  • Frequency is the amount of wave that passes through a point at a particular time. The higher the frequency, the more the number of wave passing a particular point.
  • The wavelength of a wave is the distance between two successive crest or trough in a wave. The longer the wavelength, the more the separation between a wave crest.
  • A wave is a disturbance that consistently transmits energy.

When the number of wave passing through a point increases, the wavelength is reducing.

Wavelength and frequency are inversely related.

Learn more:

Frequency and wavelength brainly.com/question/5882803

#learnwithBrainly

6 0
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