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adelina 88 [10]
3 years ago
6

Select the correct answer.

Physics
1 answer:
VladimirAG [237]3 years ago
8 0

Answer:

It's effective temperature.

Explanation:

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An astronaut landed on a far away planet that has a sea of water. To determine the gravitational acceleration on the planet's su
sergiy2304 [10]

To solve this problem it is necessary to apply the concepts related to hydrostatic pressure or pressure due to a fluid.

Mathematically this pressure is given under the formula

P_h = \rho g h

Where,

\rho = Density

h = Height

g = Gravitational acceleration

Rearranging in terms of g

g = \frac{P_h}{\rho h}

our values are given as

P_h = 1.1 atm (\frac{101325Pa}{1atm}) = 111457.5Pa

\rho = 1000kg/m^3

h = 12.3m

Replacing we have

g = \frac{111457.5}{(1000)(12.3)}

g = 9.061m/s^2

Therefore the gravitational acceleration on the planet's surface is 9.061m/s^2 (Almost the gravity of the Earth)

3 0
3 years ago
A number of energy transformations occur when water that is stored behind a dam is changed into electrical energy. For each step
Dmitrij [34]

Answer:

An unknown galaxy has a large flattened core. Which of the following classifications would best fit this galaxy's description?

Irregular

Spiral

Lens

Elliptical

Explanation:

7 0
3 years ago
Read 2 more answers
Question 1 A ship's position is given as 0 degrees latitude and 27 degrees west longitude. We can conclude from this information
matrenka [14]

Answer: e. on the equator and in the Atlantic Ocean

Explanation:

Latitude and Longitude are geographical coordinates.

<u>Latitude</u> is the angular distance between the <u>equatorial line</u>, and a specific point on the Earth. It is measured in degrees and is represented according to the hemisphere in which the point is located, which can be north or south latitude.  

In this sense latitude 0\° refers to the equatorial line that divides the Earth in two hemispheres (North and South).

On the other hand, <u>Longitude</u> represents the specific <u>east–west </u>position of a point on the Earth's surface, being longitude 0\° the prime meridian or Greenwich meridian.

So, if we have latitude 0\° and longitude 27\° (positive means it is to the East) we can already know the point is in the equator, and the option that bests describes the coordinates is e.

7 0
3 years ago
Which instrument is used to measure heat radiation ?
Anna007 [38]
Geiger counter measures radiation.
6 0
3 years ago
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1
shepuryov [24]

Answer:

200000J

Explanation:

Here the 1000N÷m is given. It is the torque. Now torque is a type of force created when an object turns.so it is a force.

100kg crate is the mass of the object.

2m is the height.

So the equation to measure gravitational pot. Enrg. Is = mass x force x height

So 1000x100x2 gives us 200000J.

Thank you

If you have any questions please feel free to contact me.

I will contact u through the comments.

❤️❤️With love,

Joel X grader

6 0
3 years ago
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