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For particle P revolving round the centre O with radius of circular path r and angulur velocity ω , as shown in below figure, the projection of OP on the x -axis at time t is CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 081-47250011 www.careerpoint.ac.in 18 JEE Main Online Paper

1. x(t) = r cos ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ ω π ω 6 – t
2. x(t) = r cos ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ π + ω 6 t
3. x(t) = r sin ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ π + ω 6 t
4. x(t) = r cos ( ω t)

Correct answer: x(t) = r cos ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ π + ω 6 t

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