First slide
Simple hormonic motion

The speed of a particle executing SHM is given by the equation v2=1449x2  then the wrong statements among the following is 


maximum velocity in SHM is at x = 0 that is when there is no displacement. 
Thus putting x = 0, the maximum velocity comes out to be = 12 units 
Comparing with the equation V=ωA2x2  we get  ω=3   and  A=4
As a result T = 2π/3  
Also we know acceleration =  ω2x  in the case of SHM
For maximum acceleration x=A=4  which gives us maximum acceleration as 36 units, 
Hence option 3 is wrong.

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