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A mass m attached to a spring oscillates...

A mass m attached to a spring oscillates with a period of 3 second. If the mass is increased by 2 kg, the period increases by one second. Calculate the initial mass m. (Assume that elastic limit is not crossed)

A

4kg

B

1.6kg

C

0.8kg

D

2kg

Text Solution

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The correct Answer is:
B
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