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honest raj

· started a discussion

· 1 Months ago

physics (Question:142633.0)

explain ans

Question:

The escape velocity of a satellite is more than the orbital velocity by -

Options:
A)

10.41%

B)

19.89 %

C)

41.4 %

D)

None of these

Solution:

The escape velocity is √2 times more than the orbital velocity, hence 41.4 %

Knowledge Expert

· commented

· 1 Months ago

The orbital velocity of the satellite depends on its altitude above Earth. The nearer to Earth, the faster the required orbital velocity. At an altitude of 124 miles (200 kilometers), the required orbital velocity is a little more than 17,000 mph (about 27,400 kph).
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