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Author Question: A satellite that weighs 4900 N on the launchpad travels around the earth's equator in a circular ... (Read 56 times)

rlane42

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A satellite that weighs 4900 N on the launchpad travels around the earth's equator in a circular orbit with a period of 1.667 h. The earth's mass is 5.97  1024 kg, its equatorial radius is 6.3  106 m, and G = 6.67  10-11 N  m2/kg2.
 
  (a) Calculate the magnitude of the earth's gravitational force on the satellite.
  (b) Determine the altitude of the satellite above the Earth's SURFACE.

Question 2

A plane flying at 70.0 m/s suddenly stalls. If the acceleration during the stall is 9.8 m/s2 directly downward, the stall lasts 5.0 s, and the plane was originally climbing at 25 to the horizontal, what is the velocity after the stall?
 
  A) 80 m/s at 37 above the horizontal B) 66 m/s at 17 below the horizontal
  C) 66 m/s at 17 above the horizontal D) 80 m/s at 37 below the horizontal



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Anna

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Answer to Question 1

(a) 3910 N (b) 7.55  105 m

Answer to Question 2

B




rlane42

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


vickyvicksss

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Reply 3 on: Yesterday
:D TYSM

 

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