<em>★</em><em> </em><em>«</em><em> </em><em><u>what is sound wave and examples</u></em><em><u> </u></em><em>»</em><em> </em><em>★</em>
- <em>A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water, or any other liquid or solid matter) as it propagates away from the source of the sound. The source is some object that causes a vibration, such as a ringing telephone, or a person's vocal chords.</em>
 
<em>hope </em><em>it</em><em> helps</em>
 
        
             
        
        
        
After rolling off the edge of the cliff and falling ' M ' meters down,
the speed of the boulder is
       Square root of ( 19.6 M ) .
If M=111 meters, then the speed is <em>46.64 meters per second</em>. 
We have known for roughly 500 years that if there's no air resistance,
the mass of the falling object makes no difference, and all objects fall
with the same acceleration, speed, time to splat, etc.
        
             
        
        
        
ANSWER: d) 8
EXPLANATION: Two sets of two shared electrons (4 electrons total shared) = one set of a double covalent bond.
Therefore, 8 electrons total shared = two sets of double covalent bonds
 
        
             
        
        
        
Answer:
The photon has a wavelength of 
 
Explanation:
The speed of a wave can be defined as:
  (1)
Where v is the speed, 
 is the frequency and 
 is the wavelength.
Equation 1 can be expressed in the following way for the case of an electromagnetic wave:
  (2)              
   
Where c is the speed of light.     
Therefore, 
 can be isolated from equation 2 to get the wavelength of the photon.
 (3)

 
Hence, the photon has a wavelength of 
        
<em>Summary:  </em>
Photons are the particles that constitutes light. 
 
        
             
        
        
        
The cycle of cellular respiration and photosynthesis are important for the life of plants because cellular respiration uses one of the products of photosynthesis (oxygen), and uses it as one of the reactants along with glucose to produce carbon dioxide. These two cycles help maintain a balance for our atmosphere, even though pollution and other factors have disrupted this balance. Hope this helps! :)