A boy standing some distance from the foot of a tall cliff claps his hands...
PHYSICS
JAMB 2021
A boy standing some distance from the foot of a tall cliff claps his hands and hears an echo 0.5s later. If the speed of sound is 340m/s, how far is he from the cliff?
- A. 680m
- B. 170m
- C. 34m
- D. 85m
Correct Answer: D. 85m
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *