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Some aliens living beneath the surface o...

Some aliens living beneath the surface of the earth want to send a parcel to their friends just outside earth's pull. What should be the velocity with which they must throw the parcel from a depth ofR/2?

A

11.2 km/s

B

15.84 km/s

C

16.37 km/s

D

12.8 km/s

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-GRAVITATION-EVALUATION TEST
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