Thomas815 Thomas815
  • 22-03-2017
  • Physics
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Planet Z has diameter 1.8 × 107 m. On the planet's surface, the acceleration due to gravity is 19.5 m/s2. What is the mass of the planet? Note: The constant of universal gravity (G) equals 6.674 × 10-11 N ⋅ m2/kg2.

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LightDaJ
LightDaJ LightDaJ
  • 22-03-2017
The sphere has mass 7.2 kg and it revolves in a horizontal circle at constant speed.
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