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Use the results of Example 13.5 (Section 13.3) to

Chapter 13, Problem 17E

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QUESTION:

Use the results of Example 13.5 (Section 13.3) to calculate the escape speed for a spacecraft (a) from the surface of Mars and (b) from the surface of Jupiter. Use the data in Appendix F. (c) Why is the escape speed for a spacecraft independent of the spacecraft’s mass?

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QUESTION:

Use the results of Example 13.5 (Section 13.3) to calculate the escape speed for a spacecraft (a) from the surface of Mars and (b) from the surface of Jupiter. Use the data in Appendix F. (c) Why is the escape speed for a spacecraft independent of the spacecraft’s mass?

ANSWER:

Step 1 of 3 a)The escape speed is , v = 2 GMm Rm 11 2 2 23 = 2×6.673×10 N.m /kg ×6.42×10 kg 3.4×10 m 3 = 5.02 × 10 m/s

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