Oscillations 113 (Simple Harmonic Motion) 9. A particle executes SHM according to equation e x = 10 (cm) cos[2nt ], where t is in second. The magnitude of the velocity of the particle at ts will be (1) 24.7 cm/s 6 (2) 20.5 cm/s (4) 31.4 cm/s (3) 28.3 cm/s Simnle Harmonic Motion and Uniform Circular

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