Define grand lunar canals, Physics

Assignment Help:

Define Grand Lunar Canals (Moscow Phys-Tech)?

In one of his book, H. G. Wells illustrate an encounter of amateur earthling astronauts with a lunar civilization living in very deep caverns beneath the surface of the Moon. The caverns are attached to the surface by long channels filled with air.

597_Grand Lunar Canals.png

The channel is dug among points A and B on the surface of the Moon so that the angle AOB=90o suppose that the air pressure in the middle of a channel is Po = 1 atm. calculate approximately the air pressure in the channel near the surface of the Moon. The radius of the Moon a ≈ 1750.  The hastening due to gravity on the surface of the Moon gm≈ g/6  , where g is the hastening due to gravity on the surface of the Earth.


Related Discussions:- Define grand lunar canals

What is zener breakdown, When reverse bias is enhanced the electric field a...

When reverse bias is enhanced the electric field at the junction also enhances. At some stage the electric field becomes so high that it breaks the covalent bonds building electron

Blackbody, For a blackbody, the frequency at which maximum energy is emitte...

For a blackbody, the frequency at which maximum energy is emitted is 3 x 10 13 Hz: A.  Give a wavenumber for the wavelength of the infrared emission? B.  What is the tempera

Evaluate the electric field, Question: Is it probable for the electric...

Question: Is it probable for the electric field to be zero in a region of space where the electric potential is not zero? Answer: Only if the electric potential has on

Upthrust, Does upthrust change in different liquids (examples please)

Does upthrust change in different liquids (examples please)

Explain the thermal equilibrium, Explain the Thermal Equilibrium Thermal ...

Explain the Thermal Equilibrium Thermal Equilibrium occurs when one or more substances reach a common temperature by exchanging heat. When two substances come into thermal contac

What is intensity-wavelength graph, At certain sharply explained wavelength...

At certain sharply explained wavelengths, the power of X-rays is very large as marked K alpha, K beta .... As shown in figure. These X-rays are called as property of X-rays. At oth

Gray, Gray; Gy (after L.H. Gray, 1905-1965): The derived SI unit of ab...

Gray; Gy (after L.H. Gray, 1905-1965): The derived SI unit of absorbed dose, described as the absorbed dose wherein the energy per unit mass imparted to the matter through ion

Reducing friction by an air stream, Reducing friction by an air stream ...

Reducing friction by an air stream Cut out a disc of cardboard about 10 cm in diameter. With a red-hot pin, burn a hole by the centre. Saw a small cotton reel in half and glue

Free fall , wrench from the top of an 80 m high tower what is the velocity ...

wrench from the top of an 80 m high tower what is the velocity of the wrench when it strikes the ground?

Vectors, what is coplaner vactors

what is coplaner vactors

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd