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Find the speed needed to escape from the surface of comet

Chapter 12, Problem 98

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QUESTION:

Find the speed needed to escape from the surface of comet Wild 2. (Note: It is easy for a person to jump upward with a speed of 3 m/s.)

A. 1.6 m/s

B. 2.3 m/s

C. 72 m/s

D. 230 m/s

Questions & Answers

QUESTION:

Find the speed needed to escape from the surface of comet Wild 2. (Note: It is easy for a person to jump upward with a speed of 3 m/s.)

A. 1.6 m/s

B. 2.3 m/s

C. 72 m/s

D. 230 m/s

ANSWER:

Step 1 of 3

The mass of the comet is given from the equation below

\(M=\frac{g R^{2}}{G}\)

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