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Questions  

The displacement of an oscillating particle varies with time (in seconds) according to the equation y (cm) = sin π2t2+13 . The maximum acceleration of the particle is approximately 

a
5.21cm/s2
b
3.62cm/s2
c
1.81cm/s
d
0.62cm/s2

detailed solution

Correct option is D

A=1cm amax=ω2A=π42a=0.62 cm/sec2

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