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Author Question: Gravitational force is greater for a satellite in elliptical orbit when it is at the A) apogee ... (Read 72 times)

joe

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on: Jul 29, 2018
Gravitational force is greater for a satellite in elliptical orbit when it is at the
 
  A) apogee (farthest point).
  B) perigee (closest point).
  C) zenith.
  D) same acceleration at all of the above places.

Question 2

A certain spherical asteroid has a mass of 3.5  1016 kg and a radius of 8.8 km. What is the minimum speed needed to escape from the surface of this asteroid? (G = 6.67  10-11 N  m2/kg2)
 
  A) 23 m/s
  B) 16 m/s
  C) 520 m/s
  D) 730 m/s


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joewallace

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

Answer: B

Answer to Question 2

A


joe

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

xiazhe

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

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