Answer:
Hi... Potential energy is converted to kinetic energy and kinetic energy is converted to potential energy
 
        
             
        
        
        
Answer:
Explanation:
Velocity of a wave is describe as 
velocity =Frequency × Wavelength
Mathematically 
v = fλ
Hence, Frequency, F = v / λ
Wavelength λ = v/f
So, if the frequency is kept constant, wavelength of the wave becomes directly proportional to velocity of the wave.
And this implies that, as the speed double, the wavelength is double.
 
        
             
        
        
        
Yes thank u teehee
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Answer:
That is not true all objects fall at the same speed excepts things like feathers or paper.