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Author Question: A bat chirps to locate a tasty lunch. The chirp travels at 340 m/s and its echo is heard 1 s after ... (Read 261 times)

stock

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on: Jul 29, 2018
A bat chirps to locate a tasty lunch. The chirp travels at 340 m/s and its echo is heard 1 s after the chirp. Distance to the lunch is
 
  A) 85 m.
  B) 170 m.
  C) 340 m.

Question 2

Ultrasonic sound that travels at 1530 m/s in ocean water is bounced off the ocean floor and returns to the ship above. If the round trip takes 3 s, the depth of the water is
 
  A) 1530 m.
  B) 2295 m.
  C) 3060 m.
  D) 4590 m.


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poopface

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

Answer: B

Answer to Question 2

Answer: B


stock

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Reply #2 on: Jul 29, 2018
Thank you!


poopface

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Reply #3 on: Jul 29, 2018
Always glad to help...


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