Question

What do you mean by escape velocity ?
-,-
huge amount of points are been distributed
flw to get it​

Answer 1

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It is the minimum speed with which a body at the surface of earth is to be projected to escape from gravitational field of earth. It is = ( 2G M / r )^½ = 11.2 km/s. It does not depend upon the mass of the body or direction of projection.

ᴛʜᴀɴᴋꜱ ꜰᴏʀ ᴛʜᴇ ᴩᴏɪɴᴛꜱ ꜱɪꜱᴛᴀ....

Answer 2

Answer:

It is usually prepared by the addition of HBr to ethene: H2C=CH2 + HBr → H3C-CH2Br. Bromoethane is inexpensive and would rarely be prepared in the laboratory. A laboratory synthesis includes reacting ethanol with a mixture of hydrobromic and sulfuric acids.

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