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Author Question: An elephant can hear sound with a frequency of 15.0 Hz. What is the wavelength of this wave? The ... (Read 55 times)

notis

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on: Jul 29, 2018
An elephant can hear sound with a frequency of 15.0 Hz. What is the wavelength of this wave? The speed of sound in air is 343 m/s.
 
  What will be an ideal response?

Question 2

A car moves from a point located 26.0 m from the origin and at an angle of 35.0 from the x-axis to a point located 56.0 m from the origin and at an angle of 60.0 from the x-axis in 2.50 s.
 
  What is the magnitude of the average velocity of the car? A) 12.7 m/s
  B) 13.7 m/s
  C) 16.1 m/s
  D) 18.3 m/s
  E) 17.2 m/s


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KKcool

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

22.9 m

Answer to Question 2

B


notis

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

brbarasa

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

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