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A particle is projected with velocity v0 along the x-axis. A damping force is acting on the particle which is proportional to the square of the distance from the origin i.e. ma=-ax^2. The distance at which the particle stops:
A) [2(v0)/3a]^(1/3)
B) [3(v0)^2/2a]^(1/2)
C) [3(v0)^2/2a]^(1/3)
D) [2(v0)^2/3a]^(1/3)

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