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The escape velocity at the surface of Ea...

The escape velocity at the surface of Earth is approximately 8 km/s. What is the escape velocity for a planet whose radius is 4 times and whose mass is 100 times that of Earth?

A

`-2hati + 3hatj` m/s

B

`2hati - 3hatj` m/s

C

`2hati + 3hatj` m/s

D

`-(2hati + 3hatj)` m/s

Text Solution

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The correct Answer is:
B
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