The differential equation for a particle of mass 2kg executing SHM is 2d2xdt2+x=0. If amplitude of oscillation is 3 cm, then maximum velocity of the particle will be
A
3√0.5 cm/s
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B
√0.5 cm/s
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C
√0.5/3 cm/s
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D
2√0.5 cm/s
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Solution
The correct option is A3√0.5 cm/s Comparing the equation 2d2xdt2+x=0 with the standard equation md2xdt2+kx=0, we get, k=1 and ω=√(k/m)=√(0.5) The maximum velocity of the particle is Aω=3√(0.5) cm/s The correct option is (a)