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WB JEE 2021
MCQ (More than One Correct Answer)
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The potential energy of a particle of mass 0.02 kg moving along X-axis is given by V = Ax (x $$-$$ 4) J, where x is in metre and A is a constant. Which of the following statements is/are correct?
A
The particle is acted upon by a constant force.
B
The particle executes simple harmonic motion.
C
The speed of the particle is maximum at x = 2 m.
D
The period of oscillation of the particle is $${\pi \over 5}sec$$.
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