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Author Question: Give an example in which thermal energy might be converted to gravitational energy. What will be ... (Read 54 times)

captainjonesify

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on: Jul 27, 2018
Give an example in which thermal energy might be converted to gravitational energy.
 
  What will be an ideal response?

Question 2

If you could measure the mass of a moving object, you would find that it was greater than its value when stationary.
 
  Indicate whether the statement is true or false


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zacnyjessica

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A hot air balloon rises: as we heat the gas in a balloon, the internal pressure increases and the balloon expands. Therefore the density of the air inside decreases and when the average density of the entire balloon (balloon material plus basket plus air inside) becomes less than the density of air outside, the balloon rises, gaining gravitational energy.

Answer to Question 2

TRUE


captainjonesify

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Reply 2 on: Jul 27, 2018
Gracias!

bigsis44

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Reply 3 on: Yesterday
:D TYSM

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