A man stands in front of a tall wall and produc... - WAEC Physics 1993 Question
A man stands in front of a tall wall and produces a sound. If he receives the echo of the sound two seconds later, calculate his distance from the wall. (The speed of sound in air is 330ms-1)
A
600m
B
400m
C
330m
D
328m
Ask EduPadi AI...
Correct Option: C
x = vt/2 = (\frac {330 \times 2} {2}) = 660/2 = 330m
Please share this, thanks:
#WAEC #WAEC
Add your answer
No responses