B. Sound intensity of a jet plane at a distance of
1 km is 80 W/m² What will be the intensity
at 2 km?
A. 20 W/m2
B. 40 W/m?
C. 10 W/m
D. I W/m2
Answers
Answered by
1
Answer:
A.20 W/ m²
Explanation:
intensity inversely proportional to area
80 /I = (2 ×10³)²/(1 ×10³)²
I = 80/4
I = 20 W/m²
Answered by
0
20 W/m2 is the answer
Similar questions
Social Sciences,
3 months ago
Accountancy,
3 months ago
Math,
6 months ago
Physics,
10 months ago
English,
10 months ago
Math,
10 months ago