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Author Question: If a tree is 15 m tall, its height expressed in feet is x ft, where x is A) less than 15. B) ... (Read 431 times)

neverstopbelieb

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on: Jul 29, 2018
If a tree is 15 m tall, its height expressed in feet is x ft, where x is
 
  A) less than 15. B) greater than 15.

Question 2

Two people are talking at a distance of 3.0 m from where you are and you measure the sound intensity as 1.1  10-7 W/m2. Another student is 4.0 m away from the talkers.
 
  What sound intensity does the other student measure? Assume that the sound spreads out uniformly and undergoes no significant reflections or absorption. A) 6.2  10-8 W/m2
  B) 1.5  10-7 W/m2
  C) 8.3  10-8 W/m2
  D) 7.8  10-7 W/m2
  E) 2.5  10-8 W/m2


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swimkari

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

B

Answer to Question 2

A


neverstopbelieb

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Reply 2 on: Jul 29, 2018
Gracias!

dawsa925

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Reply 3 on: Yesterday
Excellent

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