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Author Question: When a solid melts A) the temperature of the substance increases. B) the temperature of the ... (Read 102 times)

notis

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on: Jul 27, 2018
When a solid melts
 
  A) the temperature of the substance increases.
  B) the temperature of the substance decreases.
  C) heat energy leaves the substance.
  D) heat energy enters the substance.

Question 2

Consider a merry-go-round which makes 20. revolutions in 4.0 minutes. (a) What is the average angular speed in radians/s? (b) For a child 3.5 m from the center, how far does he travel in the 4.0 minutes?
 
  What will be an ideal response?


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joshbk44

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

D

Answer to Question 2

(a) 0.52 rad/s
(b) 0.44 km


notis

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Reply 2 on: Jul 27, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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