A mass of 0.3 Kg is attached to the end of a spring. If another mass of 0.04 Kg is added to the end of the spring, it stretches by 12 cm more. What would be the period of vibration of the system if 0.04 kg mass is removed?

1.9 s

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1.7 s

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2.1 s

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2.2 s

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Solution

The correct option is A
1.9 s

1.9 s

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Figure 14.30 (a) shows a spring of force constant k clamped rigidly at one end and a mass m attached to its free end. A force F applied at the free end stretches the spring. Figure 14.30 (b) shows the same spring with both ends free and attached to a mass m at either end. Each end of the spring in Fig. 14.30(b) is stretched by the same force F.

(a) What is the maximum extension of the spring in the two cases?

(b) If the mass in Fig. (a) and the two masses in Fig. (b) are released, what is the period of oscillation in each case?

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A mass of 0.3 Kg is attached to the end of a spring. If another mass of 0.04 Kg is added to the end of the spring, it stretches by 12 cm more. What would be the period of vibration of the system if 0.04 kg mass is removed?

The correct option is A 1.9 s 1.9 s

The correct option is A
1.9 s

1.9 s