A community for students.
Here's the question you clicked on:
 0 viewing
Summersnow8
 one year ago
Help
The speed of sound in water is 1,500. m/s. Suppose a sound wave is transmitted through water from one submarine, is reflected off another submarine 15 km away, and returns to the sonar receiver on the first submarine. What is the roundtrip transit time for the sound wave?
s = v t 1 km = 1000 m
t = s / v 15 km * ( 1000 m / 1 km) = 15000 m
t = 15000 m / 1500 m/s
t = 10 s
supposedly this answer is wrong
Summersnow8
 one year ago
Help The speed of sound in water is 1,500. m/s. Suppose a sound wave is transmitted through water from one submarine, is reflected off another submarine 15 km away, and returns to the sonar receiver on the first submarine. What is the roundtrip transit time for the sound wave? s = v t 1 km = 1000 m t = s / v 15 km * ( 1000 m / 1 km) = 15000 m t = 15000 m / 1500 m/s t = 10 s supposedly this answer is wrong

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It asks for round trip time, so I think you're supposed to double the time to 20 s.

taramgrant0543664
 one year ago
Best ResponseYou've already chosen the best response.0The 10s is for the sound to go from the first submarine to the second, the total distance the sound waved travelled from the first submarine to the second and back to the first is 30km=30000m therefore doubling the time to 20s just like @peachpi had stated
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.