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Lesechka [4]
3 years ago
11

Choose all the answers that apply.

Physics
2 answers:
Lynna [10]3 years ago
7 0

Answer:

Sometimes come very close to the Earth

Explanation:

It is the only answer, I got it wrong on my test and this is the correct answer. :)

Salsk061 [2.6K]3 years ago
6 0
"Asteroid" is the name we give to the huge number of small bodies
that orbit the sun, here in the inner solar system.

Their orbits are scattered all over the place.  Most of them spend
most of the time between the orbits of Mars and Jupiter, but there are
many asteroids that sometimes come very close to Earth.
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A steam power plant produces 50MW of net work while burning fuel to produce 150MW of heat energy at the high temperature. Determ
Mazyrski [523]

Nth =\frac{W net, out}{Qh}

50MW is our net output.

Then, we plug it in.

= \frac{50MW}{150MW} = 0.333 or 33.33%

W net, out = Qh - Ql

Ql = Qh - W net,out

Plug the values in.

Then, it becomes:

= 150MW - 50 MW

= 100MW

Thus, the cycle thermal efficiency is 33.33% and the heat rejected is 100MW.

3 0
3 years ago
When you lift a box, what is the effort force?
aleksandrvk [35]

Answer:

effort force: The force used to move an object over a distance. resistance force: The force which an effort force must overcome in order to do work on an object via a simple machine. ideal mechanical advantage: The factor by which a mechanism multiplies the force put into it.

Explanation:

5 0
3 years ago
A brick has a mass of 562 g and a volume of 43 cm3. What is the density?
alexgriva [62]

Answer:

13.069 g/cm^3

Explanation:

to get density, simply divide the mass by the volume. Your equation would look like this; p=562/43

'P' represents density in this equation. Never forget to add your units!

Hope this helps!

3 0
3 years ago
Please help me please​
ale4655 [162]

i'm suck at this

Explanation:

5 0
3 years ago
Read 2 more answers
Please help!!!!!!! (attached to the file)
frozen [14]

Answer:

B

Explanation:

the battery isn't chemical energy so any answer saying that you can cross out and that leaves you with B

6 0
3 years ago
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