Joke Collection Website - Blessing messages - The sound from sonar travels from the sea surface to the bottom of the sea, and then returns to the sea. * * * It takes 3 seconds to find out the depth of the sea.
The sound from sonar travels from the sea surface to the bottom of the sea, and then returns to the sea. * * * It takes 3 seconds to find out the depth of the sea.
Solution: Time for sound to travel from the sea surface to the seabed:
t=
12
×3s= 1.5s,
The depth of the sea floor here:
s = vt = 1.5s× 1500m/s = 2250m,
A: The depth of the seabed here is 2250 meters.
- Previous article:What does mala Tang mean on the Internet?
- Next article:How to check the battery capacity of mobile phone?
- Related articles
- Why did you receive a message from a fixed line? Under what circumstances can a fixed line send a short message?
- Nowadays, girls are always self-centered, accommodating everything to her, letting her expose your shortcomings and sending a message for hours without returning!
- Composition "SMS changes our lives"
- I want to go to Korea. How much does it cost to use China Telecom's international roaming SMS?
- Does the certificate issued by China Information Society of Traditional Chinese Medicine work?
- Ma Zijia asked Kong Ruchun if he would avoid love because of friendship?
- Hubei Huanggang will resume public transportation in an orderly manner from March 21
- Copywriting to remind people to prevent drowning in summer (40 sentences)
- Lv Wanrou and Wang Xiaofei's ambiguous short messages were exposed.
- How to write a thank-you letter for your 20th birthday party?