Answer:
transverse wave is the answer
 
        
                    
             
        
        
        
Answer:8 m/s
Explanation:
Given


kinetic Energy of 
initially  is at rest and let say
 is at rest and let say  is moving with velocity u
 is moving with velocity u
kinetic Energy of 


In Completely inelastic collision both mass stick together and move with common velocity 
Suppose v is the common velocity


therefore Final velocity with which both blocks moves is 1 m/s
 
        
             
        
        
        
Sound waves are changes in pressure generated by vibrating molecules. The physical characteristics of sound waves influence the three psychological features of sound: loudness, pitch, and timbre. Loudness depends on the amplitude,or height, of sound waves. The greater the amplitude, the louder the sound perceived.
        
                    
             
        
        
        
Answer: velocity = -0.65 speed =0.65
Explanation:
Velocity =speed+direction speed =distance/time
 
        
             
        
        
        
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