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Simple Harmonic Motion question

2012 · Shift 1 · Q50
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  5. /2012 · Shift 1 · Q50

Simple Harmonic Motion question

2012 · Shift 1 · Q50

JEE AdvancedPhysicsSimple Harmonic MotionMCQ+3 / −1
A small block is connected to one end of a massless spring of un-stretched length 4.9 m. The other end of the spring (see the figure) is fixed. The system lies on a horizontal frictionless surface. The block is stretched by 0.2 m and released from rest at t = 0. It then executes simple harmonic motion with angular frequency ω\omegaω = (π\piπ/3) rad/s. Simultaneously, at t = 0, a small pebble is projected with speed v from point P at an angle of 45 ∘^\circ∘ as shown in the figure. Point O is at a horizontal distance of 10 m from O. If the pebble hits the block at t = 1 s, the value of v is (take g = 10 m/s2) IIT-JEE 2012 Paper 1 Offline Physics - Simple Harmonic Motion Question 18 English
  1. A
    50\sqrt {50}50​ m/s
  2. B
    51\sqrt {51}51​ m/s
  3. C
    52\sqrt {52}52​ m/s
  4. D
    53\sqrt {53}53​ m/s
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