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2 years ago

CER WRITING PROMPT For which processes or functions do plant cells need additional organelles when compared to animal cells?

Physics

1 answer:

rjkz [21]2 years ago

6 0

is there like a story for it

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What are some of the landforms rovers have found on Mars that show it was once an active place?

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The Curiosity rover found that ancient Mars had the right chemistry to support living microbes. Curiosity found sulfur, nitrogen, oxygen, phosphorus and carbon-- key ingredients necessary for life--in the powder sample drilled from the "Sheepbed" mudstone in Yellowknife Bay.

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1 year ago

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Suppose that a comet that was seen in 550 A.D. by Chinese astronomers was spotted again in year 1941. Assume the time between ob

pickupchik [31]

To solve the problem it is necessary to apply the concepts related to Kepler's third law as well as the calculation of distances in orbits with eccentricities.

Kepler's third law tells us that

$T^2 = \frac{4\pi^2}{GM}a^3$

Where

T= Period

G= Gravitational constant

M = Mass of the sun

a= The semimajor axis of the comet's orbit

The period in years would be given by

$T= 1941-550\\T= 1391y(\frac{31536000s}{1y})\\T=4.3866*10^{10}s$

PART A) Replacing the values to find a, we have

$a^3= \frac{T^2 GM}{4\pi^2}$

$a^3 = \frac{(4.3866*10^{10})^2(6.67*10^{-11})(1.989*10^{30})}{4\pi^2}$

$a^3 = 6.46632*10^{39}$

$a = 1.86303*10^{13}m$

Therefore the semimajor axis is $1.86303*10^{13}m$

PART B) If the semi-major axis a and the eccentricity e of an orbit are known, then the periapsis and apoapsis distances can be calculated by

$R = a(1-e)$

$R = 1.86303*10^{13}(1-0.997)$

$R= 5.58*10^{10}m$

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2 years ago

Who will give me answer I will give you brainliest.....

kondaur [170]

1 . W=mass times acceleration due to gravity
60kg times 9.8m/s2
= 588N

2. W=mg
1176N=m times 9.8
m=120kg

3. 1 hour=3600s
24 hours=?
24 times 3600
= 86400 seconds

4. 1000g=1kg
25000g=?
25000 times 1 divide by 1000
=25kg

5. 1000000mg=1kg
123000000=?
123000000 times 1 divide by 1000000
=123 kg

7 0

2 years ago

CER WRITING PROMPT For which processes or functions do plant cells need additional organelles when compared to animal cells?​

CER WRITING PROMPT For which processes or functions do plant cells need additional organelles when compared to animal cells?