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3 years ago

What is the five part definition for an object to be considered a mineral?

1 answer:

3 0

1) Must be a solid. 2) Must be naturally created. 3) Must be a definite chemical composition 4) Must have a crystalline structure 5) Must be inorganic. You're welcome.

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itan's orbital radius is about 1222000 km and its orbital period is just under 16 days. From this information, estimate the mass

maksim [4K]

Answer:

$5.67\cdot 10^{26} kg$

Explanation:

For a satellite in orbit around a planet, the gravitational force between the planet and the satellite is equal to the centripetal force that keeps the satellite in circular motion.

So, we can write:

$\frac{GMm}{r^2}=m\frac{v^2}{r}$

where

G is the gravitational constant

M is the mass of the planet

m is the mass of the satellite

r is the orbital radius of the satellite

v is the speed of the satellite

The equation can be rewritten as

$M=\frac{v^2r}{G}$

Also, we can write the orbital speed as the ratio between the length of the orbit (circumference of the orbit) and orbital period, T:

$v=\frac{2\pi r}{T}$

Substituting into the equation for M,

$M=\frac{4\pi^2 r^3}{GT^2}$

Here we have:

$r=1,222,000 km = 1.222\cdot 10^6 km = 1.222\cdot 10^9 m$ is the orbital radius

$T=16 d \cdot 86400 s/d=1.38\cdot 10^6 s$ is the orbital period

Substituting, we find the mass of the Saturn:

$M=\frac{4\pi^2 (1.222\cdot 10^9)^3}{(6.67\cdot 10^{-11})(1.38\cdot 10^6)^2}=5.67\cdot 10^{26} kg$

4 0

3 years ago

A student claims that earthquakes are more destructive than tsunamis. In one or two sentences, explain at least

ella [17]

Answer:

earthquakes are able to reach any area! It has no limits unlike tsunamis. It can destroy way more and even break earths crust, they can cause even avalanches! And damage roads making it hard for people to drive to where they need to go.

Explanation:

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3 years ago

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Minoan society considered to be the first Greek civilization, was located at which map location?

kkurt [141]

The answer is 10
The minoan society was considered as one of the most advanced society during the Bronze age And located on the island of crete (number 10)
The minoan culture and knowledge was acquired and delivered throughout the Greece region due to artists and traders that associated with both regions.

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3 years ago

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How does tides form?

r-ruslan [8.4K]

Strong winds, I think! :)

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3 years ago

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Is brainly a safe app with true answers i need help

STatiana [176]

Answer: