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Author Question: The International Space Station orbits at an average 360-km altitude so that it is mainly above ... (Read 51 times)

clippers!

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on: Jul 29, 2018
The International Space Station orbits at an average 360-km altitude so that it is mainly above Earth's
 
  A) atmosphere.
  B) gravitation.
  C) both of these
  D) none of the above

Question 2

Beings on spherical asteroid  have observed that a large rock is approaching their asteroid in a collision course. At 7514 km from the center of the asteroid, the rock has a speed of 136.0 m/s and later at 2823 km it has a speed of 392.0 m/s.
 
  Use energy conservation to find the mass of asteroid . You can neglect any effects due to the parent star of the asteroid. (G = 6.67  10-11 N  m2/kg2) A) 4.582  1021 kg
  B) 9.164  1027 kg
  C) 6.112  1028 kg
  D) 4.582  1020 kg


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joneynes

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

A


clippers!

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

aliotak

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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