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Author Question: Neptune has a radius of 2.48 107 m and an escape velocity of 23,300 m/s. What is the mass of ... (Read 70 times)

lunatika

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on: Jul 29, 2018
Neptune has a radius of 2.48  107 m and an escape velocity of 23,300 m/s. What is the mass of Neptune? G = 6.67 x 10-11 Nm2/kg2.
 
  A) 1.01  1026 kg
  B) 2.02  1026 kg
  C) 3.03  1026 kg
  D) 4.04  1026 kg
  E) 5.05  1026 kg

Question 2

A vertical cylindrical cylinder, closed at the bottom end, contains 0.0100 moles of gas.
 
  It is fitted at the top with a piston, which can move freely. The mass of the piston is 14.0 kg and the initial height of the piston above the bottom of the cylinder is 25 cm. What is the temperature of the gas?
  A) 290 K
  B) 413 K
  C) 3620 K
  D) 405 K
  E) 500 K


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pangili4

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

A

Answer to Question 2

B


lunatika

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

samiel-sayed

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

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