JEE Mains 04-Sep-2020 Shift 2 Solved Paper

Section: Physics

Question : 15 of 75

Marks: +1, -0

A particle of charge q and mass m is subjected to an electric field E=E0(1−ax2) in the x -direction, where a and E0 are constants. Initially the particle was at rest at x=0. Other than the initial position the kinetic energy of the particle becomes zero when the distance of the particle from the origin is :

[4 Sep 2020 Shift 2]

√
2
a
√
1
a
a
√
3
a

Validate

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