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katrin [286]
3 years ago
8

Savanna regions developed during the Triassic period. true or false

Physics
2 answers:
Inga [223]3 years ago
5 0
Savanna regions developed during the Triassic period. is true
mylen [45]3 years ago
5 0

Answer:

true

Explanation:

on edge 2020

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It is known that the kinetics of recrystallization for some alloy obeys the Avrami equation, andthat the value of n in the expon
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Answer:8.76\times 10^{-3} min^{-1}

Explanation:

Given

n=5

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According to Avrami equation

y=1-e^{-kt^n}

where y=fraction Transformed

k=constant

t=time

0.3=1-e^{-k(100)^5}

e^{-k(100)^5} =0.7

Taking log both sides

-k\cdot (10^{10}=\ln 0.7

k=3.566\times 10^{-11}

At this Point we want to compute t_{0.5}\ i.e.\ y=0.5

0.5=1-e^{-kt^n}

0.5=e^{-kt^n}

0.5=e^{-3.566\times 10^{-11}\cdot (t)^5}

taking log both sides

\ln 0.5=-3.566\times 10^{-11}\cdot (t)^5

t^5=1.943\times 10^{10}

t=114.2 min

Rate of Re crystallization at this temperature

t^{-1}=8.76\times 10^{-3} min^{-1}

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3 years ago
Describe an object's velocity when an acceleration-time graph is zero?
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Anything times zero is zero
7 0
3 years ago
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Juans mother drives 7.25 miles southwest to her favorite shopping mall. What is the average velocity of her automobile if she ar
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In what order does light pass through structures of the eye? lens, cornea, retina cornea, pupil, lens pupil, iris, lens pupil, c
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Answer: Light passes through the front of the eye (cornea) to the lens. The cornea and the lens help to focus the light rays onto the back of the eye (retina). The cells in the retina absorb and convert the light to electrochemical impulses which are transferred along the optic nerve and then to the brain.

Explanation:

When light rays reflect off an object and enter the eyes through the cornea (the transparent outer covering of the eye), you can then see that object. The cornea bends, or refracts, the rays that pass through the round hole of the pupil.

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Two electrons are passing 20.0 mm apart. What is the electric repulsive force that they exert on each other
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15.0 I’m pretty sure that’s the answer to your question
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