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# A particle of mass 200 g executes linear simple harmonic motion with an amplitude 10 cm. When the particles at a point midway between the mean and the extreme position, its kinetic energy is 3π2×10−3J. Assuming the initial phase to be 2π3, the equation of motion of the particle will be :y=10 sin (2πt+2π3)cmy=10 sin (4πt+2π3)cmy=10 cos (2πt+π6)cmy=10 cos (2πt+π3)cm

A
y=10 sin (2πt+2π3)cm
B
y=10 cos (2πt+π6)cm
C
y=10 cos (2πt+π3)cm
D
y=10 sin (4πt+2π3)cm
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