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A particle executing simple harmonic motion has an amplitude of 6 cm. Its acceleration at a distance of 2 cm from the mean position is 8cm/s2 . The maximum speed of the particle is 

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a
8 cm/s
b
12 cm/s
c
16 cm/s
d
24 cm/s

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detailed solution

Correct option is B

A=ω2y ⇒ω=A/y=82=2 rad/secNow vmax=aω=6×2=12 cm/sec


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