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3 years ago

75 POINTS!!!!! Please help me! I need the correct answer! This is my second time posting this cause no one answered.

2 answers:

8 0

Try this website, it should answer your question and give you a source
https://www.realclearscience.com/blog/2013/05/what-is-an-atom's-shape.html

son4ous [18]3 years ago

6 0

According to the article "Nuclear shapes" by Renee Lucas the nucleus's shape is mainly modified by vibrational and rotational features happening within the cell. According to the article if i read correctly "near closed shells spherical shapes prevail, while between closed shells the large number of valence nucleons in orbit with large particle angular momentum leads to nuclei with large deformations leading them to not only maintain its shape but also alloying it to work.

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What do fossils provide evidence for?

Lapatulllka [165]

Answer: B. the history of life in the geologic past

Explanation:

B. the history of life in the geologic past because fossils help us by telling what type of animals were alive back then ex ) a dinosaur fossil shows us what type of dinosaur it was

PLEASE MARK BRANILIEST

7 0

2 years ago

Read 2 more answers

At a given instant the bottom A of the ladder has an acceleration aA = 4 f t/s2 and velocity vA = 6 f t/s, both acting to the le

Nana76 [90]

Answer:

Acceleration=24.9ft^2/s^2

Angular acceleration=1.47rads/s

Explanation:

Note before the ladder is inclined at 30° to the horizontal with a length of 16ft

Hence angular velocity = 6/8=0.75rad/s

acceleration Ab=Aa +(Ab/a)+(Ab/a)t

4+0.75^2*16+a*16

0=0.75^2*16cos30°-a*16sin30°---1

Ab=0+0.75^2sin30°+a*16cos30°----2

Solving equation 1

(0.75^2*16cos30/16sin30)=angular acceleration=a=1.47rad/s

Also from equation 2

Ab=0.75^2*16sin30+1.47*16cos30=24.9ft^2/s^2

6 0

3 years ago

What is speed of light in crown glass?

german

Answer:

1.97 x 10^8 m/s

Explanation:

refractive index of crown glass with respect to air, n = 1.52

speed of light in air, c = 3 x 10^8 m/s

Let v be the speed of light in crown glass.

By use of the definition of refractive index

$n = \frac{c}{v}$

where, n be the refractive index of crown glass, c be the speed of light in vacuum and v be the speed of light in crown glass

$1.52 = \frac{3 \times 10^{8}}{v}$

$v = \frac{3 \times 10^{8}}{1.52}$

v = 1.97 x 10^8 m/s

Thus, the speed of light in crown glass is 1.97 x 10^8 m/s.

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3 years ago

Which of the following statements is accurate? A. Compressions and rarefactions occur throughout a transverse wave. B. The wavel

Eduardwww [97]

<h3>Answer;</h3>

B. The wavelength of both transverse and longitudinal waves is measured parallel to the direction of the travel of the wave.

<h3>Explanation;</h3>

Longitudinal waves are waves in which the vibration of particles is parallel to the direction of the wave motion. The vibration of particles generates regions known as compressions and rarefactions. Therefore the wavelength is the distance between two successive rarefactions or compressions.

Transverse waves on the other hand are those waves in which the vibration of particles is perpendicular to the direction of the wave motion. The vibration of particles generates regions of maximum displacement called crests and regions of minimum displacement called troughs. Thus, the wavelength is the distance between two successive crests or troughs.

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3 years ago

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A book is pushed and released and it slides across a table for a short distance. The book quickly comes to a stop. The book orig

Burka [1]

a the kinetic energy is transformed into heat

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3 years ago

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