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Author Question: Which laws of physics, if any, distinguish between the backward and the forward direction in time? ... (Read 103 times)

cookcarl

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on: Jul 29, 2018
Which laws of physics, if any, distinguish between the backward and the forward direction in time?
 
  A) None.
  B) The law of conservation of energy but not the second law of thermodynamics.
  C) The law of conservation of energy and the second law of thermodynamics.
  D) The second law of thermodynamics but not the law of conservation of energy.
  E) Newton's law of motion.

Question 2

A spaceship is traveling to the Moon. At what point is there no more gravitational force exerted on it by Earth?
 
  A) when it gets above the atmosphere
  B) when it is half-way there
  C) when it is closer to the Moon than it is to Earth
  D) There is no point where there is no more gravitational force exerted on the spaceship by Earth


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sabina576

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

D

Answer to Question 2

D


cookcarl

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Reply 2 on: Jul 29, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

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