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A simple harmonic motion is represented by : y = 5 (sin 3 π t + 3 cos 3 π t) cm The amplitude and time period of the motion are :

1. 10 cm, 2 3 s
2. 3 2 , cm 5 s,
3. 5 cm, 2 3 s
4. 10 cm, 3 2 s

Correct answer: 10 cm, 3 2 s

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