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Author Question: Two boys, Joe and Sam, who are searching for buried treasure start underneath the same tree. Joe ... (Read 128 times)

Alainaaa8

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on: Jul 29, 2018
Two boys, Joe and Sam, who are searching for buried treasure start underneath the same tree. Joe walks 12 m east and then 12 m north, while Sam walks 15 m west and then 10 m south. Both boys then stop.
 
  Find the magnitude and direction of the vector from Sam to Joe. Express the direction of this vector by specifying the angle it makes with the west-to-east direction.

Question 2

A stretched string is observed to have four equal segments in a standing wave driven at a frequency of 480 Hz. What driving frequency will set up a standing wave with five equal segments?
 
  A) 240 Hz B) 600 Hz C) 360 Hz D) 120 Hz


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sarah_brady415

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

35 m at 39 north of east

Answer to Question 2

B


Alainaaa8

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Reply 2 on: Jul 29, 2018
Gracias!

matt95

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Reply 3 on: Yesterday
Excellent

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