Answer:
option D
Explanation:
given,

increase the intensity by factor of 9
I₁ = I₀
I₂ = 9 I₀
now,




A₂ = 3 A₁
hence, amplitude increase with the factor of 3
so, the correct answer is option D
To keep<span> noise from entering your space, look for </span>sound<span> blockers</span>
They begin to adapt into their new location. They then end up having adaptations to help them survive.
Answer:

the force you applied to your car =1350N
The area of the velocity time graph gives displacement of the body true or false?
The answer this is true.