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4 years ago

What is the average density of the Earth?

Physics

1 answer:

Mekhanik [1.2K]4 years ago

6 0

Answer:

5.513 grams per cubic centimeter

Explanation:

To get the exactly process for the calculation of the density of the earth is quite complex because earth is not quite a sphere. The planet's rotation causes it to bulge at the equator. Earth polar radius is 6,356 km and for the calculation of the mass we should have in count the metallic core inside the planet, more information can be read it in the following web site.

https://www.space.com/17638-how-big-is-earth.html#:~:targetText=Earth's%20mass%20is%206.6%20sextillion,and%2029%20percent%20by%20land.

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Elena puts her eggs in a cage made out of wood. The wood breaks during

artcher [175]

Answer:

I think the answer is Decreases the time that the egg slows down.

Explanation:

If not try it starts slowing down

O Increases the time that the egg slows down.

7 0

3 years ago

What are the main parts of metabolism

meriva

The main parts of metabolism includes the two components which are: <em>Catholicism</em>, and <em>Anabolism</em>.

7 0

3 years ago

Which type of tool was modified to view outer space

Mariana [72]

Answer:

telescope

Explanation:

8 0

4 years ago

Read 2 more answers

Master of physics needed

Delicious77 [7]

Hey JayDilla, I get 1/3. Here's how:
Kinetic energy due to linear motion is:
$E_{linear}= \frac{1}{2}mv^2$
where
$v=r \omega$
giving
$E_{linear}= \frac{1}{2}mr^2 \omega ^2$

The rotational part requires the moment of inertia of a solid cylinder
$I_{cyl} = \frac{1}{2}mr^2$
Then the rotational kinetic energy is
$E_{rot}= \frac{1}{2}I \omega ^2= \frac{1}{4}mr^2 \omega ^2$
Adding the two types of energy and factoring out common terms gives
$\frac{1}{2}mr^2 \omega ^2(1+ \frac{1}{2})$
Here the "1" in the parenthesis is due to linear motion and the "1/2" is due to the rotational part. Since this gives a total of 3/2 altogether, and the rotational part is due to a third of this (1/2), I say it's 1/3.

8 0

4 years ago

Define Standard Unit

Vinvika [58]

answer:

standard units are the units we usually use to measure the weight, length or capacity of objects.

explanation:

international system of units or SI units are standard units
these units used for measuring quantities are accepted worldwide
for example: kilogram is standard unit for mass, second is standard unit for measuring time

5 0

3 years ago

Read 2 more answers