Problem 1: A particle, moving with simple harmonic motion, performs 10 complete oscillations per minute and its speed, when at a distance of 80 mm from the center of oscillation is 3/5 of the maximum speed. Find the amplitude, the maximum acceleration and the speed of the particle, when it is 60 mm from the center of the oscillation. [Ans. 100 mm; 109.6 mm/s²; 83.76 mm/s]
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