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Question
What is the escape velocity from the surface of the
Earth?Solution
Escape velocity ve = √2gR, where g = 9.8 m/s² and R = 6400 km. Calculating this gives approximately 11.2 km/s. This is the minimum speed needed for an object to escape Earth’s gravitational field without further propulsion.
In each of the following questions, three out of four words given have the same meaning. Mark the number as your answer which is different in ...
Dolorous
Select the most appropriate synonym of the given word.
Exaltation
Consequent
Which pair is wrongly matched?
Select the most appropriate meaning of the word marked in bold letters according the context in which it has been used.
He is so garrulous th...
Person who is nervous and shy
Sanguine
...Choose the word that have been correctly spelt and mark your answer accordingly.
In each of the following questions, three out of four words given have the same meaning. Mark the number as your answer which is different in meaning f...
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