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olya-2409 [2.1K]
3 years ago
8

A peach has a layer of skin, a thick section of fruit, and a pit in the center. Which of these would a peach be a good model for

?
A.
the ocean
B.
the Sun
C.
the solar system
D.
the Earth
Physics
2 answers:
timofeeve [1]3 years ago
8 0

Answer:

The earth

Explanation:

Vikentia [17]3 years ago
3 0

Answer:

D. the Earth

Explanation:

The Earth has a solid metal core at the center, which is similar to the pit of a peach. The Earth also has many thick layers of rock and liquid metal between the surface and the center of the Earth, similar to how a peach has a layer of skin and a thick section of fruit. The other answer choices don't have any similarities to a peach. The ocean is entirely liquid, the sun is a ball of gas, and the solar system contains lots of different planets and stars that all are made up of very different things.

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Hydrogen is a nonmetal with many nonmetal properties. Why is it on the periodic table with the metals in Group 1?
mrs_skeptik [129]

Answer:

This is because it has ns1 electron configuration like the alkali metals.

Pls Mark Brainiest, am trying to become Virtuoso

6 0
3 years ago
Calculate the broadcast wavelength of the radio station 99.90 fm. seconds
taurus [48]

The radio waves are electromagnetic wave, so it travels with velocity of light i.e 3\times 10^{8} \ m/s.

We can use the relation between frequency, wavelength and speed as

\lambda =\frac{c}{f}

Here c is speed of light, \lambda is wavelength and f is frequency and its value is given 99.90 FM, it is actually in megahertz  (i.e 99.90 MHz).

Therefore,

\lambda =\frac{3 \times 10^{8}\ m/s }{99.90 \times 10^{6} \ Hz} = 3.003 \ m.

Thus, the broadcast wavelength of the given radio station is 3.003 m.

8 0
3 years ago
The type of function that describes the amplitude of damped oscillatory motion is _______. The type of function that describes t
Salsk061 [2.6K]

Answer:

exponential

Explanation:

type of function that describes the amplitude of damped oscillatory motion is exponential because as we know that here function is

y = A × e^{\frac{-bt}{2m}}  × cos(ωt + ∅ )    ..................................... ( 1 )          

here function A × e^{\frac{-bt}{2m}}   is amplitude

as per equation ( 1 )it is exponential

so that we can say that amplitude of damped oscillatory motion is exponential

8 0
3 years ago
All but one statement could describe a scientific theory. That is:
murzikaleks [220]

D is the wrong answer. New information does often completely change the theory. Its hard to change something and leave the major theory intact.

8 0
3 years ago
Read 2 more answers
A visible light has a wavelength of 727.3 nm. Determine its frequency, energy per photon, and color.
Snezhnost [94]

Answer:

f=4.12\times 10^{14}\ Hz and E=2.73\times 10^{-19}\ J

Explanation:

The wavelength of a visible light is 727.3 nm.

727.3\ nm=727.3 \times 10^{-9}\ m

The formula is as follows :

c=f\lambda

f is the frequency of the visible light

f=\dfrac{c}{\lambda}\\\\f=\dfrac{3\times 10^8}{727.3 \times 10^{-9}}\\\\f=4.12\times 10^{14}\ Hz

Energy of a photon is given by :

E = hf, h is Planck's constant

E=6.63\times 10^{-34}\times 4.12\times 10^{14}\\\\E=2.73\times 10^{-19}\ J

Red color has a frequency of 4.12\times 10^{14}\ Hz and energy per photon is 2.73\times 10^{-19}\ J.

3 0
3 years ago
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