MCQ Solution:
A mass M is attached to a spring, which oscillates with a period of 2s. If the mass is increased by 2 kg, the period increases by 1s. The initial mass M, assuming that Hooke\'s law is obeyed, would be:
1. 0.8 kg
2.1.6 kg
3.2 kg
4.2.4 kg
1. 0.8 kg
2.1.6 kg
3.2 kg
4.2.4 kg
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