Answer:
The intensity of sound (I) = 3.16 x 10⁻⁶ W/m²
Explanation:
We have expression for sound intensity level (SIL),
               
Here we need to find the intensity of sound (I).
                
Substituting
           L = 67 dB and I₀ = 10⁻¹² W/m² in the equation
           
The intensity of sound (I) = 3.16 x 10⁻⁶ W/m²
 
        
             
        
        
        
I think you forgot to give the options along with the question. I am answering the question based on my knowledge and research. It is <span>possible to tell if objects in space are moving closer to us or farther away based on several procedures like parallax and standard candles. I hope the answer has come to your help.</span>
        
                    
             
        
        
        
Answer:
a= 92. 13 m/s²
Explanation:
Given that
Amplitude ,A= 0.165 m
The maximum speed ,V(max) = 3.9 m/s
We know that maximum velocity in the SHM  given as
V(max)  = ω A
ω=Angular speed 
A=Amplitude

ω=23.63 rad/s
The maximum acceleration given as
a = ω² A
a= (23.63)² x 0.165 m/s²
a= 92. 13 m/s²
Therefore the maximum magnitude of the acceleration will be 92. 13 m/s².
 
        
             
        
        
        
Answer:
4m/s
Explanation: 
May be different considering how long the pole is and how heavy the firefighter is.
 
        
             
        
        
        
The Netherlands controlled Indonesia for centuries!