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Author Question: A huge cannon is assembled on an airless planet having insignificant axial spin. The planet has a ... (Read 97 times)

james9437

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on: Jul 29, 2018
A huge cannon is assembled on an airless planet having insignificant axial spin. The planet has a radius of 5.00  106 m and a mass of 3.95  1023 kg. The cannon fires a projectile straight up at 2000 m/s.
 
  An observation satellite orbits the planet at a height of 1000 km. What is the projectile's speed as it passes the satellite? (G = 6.67  10-11 N  m2/kg2) A) 1500 m/s
  B) 1380 m/s
  C) 1610 m/s
  D) 1280 m/s

Question 2

When a fixed amount of ideal gas goes through an isochoric process
 
  A) its internal (thermal) energy does not change.
  B) the gas does no work.
  C) no heat enters or leaves the gas.
  D) its temperature must increase.
  E) its pressure must increase.


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Ptupou85

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

A

Answer to Question 2

B


james9437

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Reply 2 on: Jul 29, 2018
Excellent

Jsherida

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

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