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A mass attached to a spring oscillates with a period of 5 sec. After 5 kg are added, the period becomes 7 sec. Assuming that we can neglect any damping or external forces, determine how much mass was originally attached to the spring. The original mass was (Type an exact answer, using radicals as needed.) kg.

A mass attached to a spring oscillates with a period of 5 sec. After 5 kg are added, the period becomes 7 sec. Assuming that we can neglect any damping or external forces, determine how much mass was originally attached to the spring. The original mass was (Type an exact answer, using radicals as needed.) kg.

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4.9.16 Question Help ▼ A mass attached to a spring oscillates with a period of 5 sec. After 5 kg are added, the period becomes 7 sec. Assuming that we can neglect any damping or external forces, determine how much mass was originally attached to the spring. The original mass was kg. (Type an exact answer, using radicals as needed.)
Transcribed Image Text:4.9.16 Question Help ▼ A mass attached to a spring oscillates with a period of 5 sec. After 5 kg are added, the period becomes 7 sec. Assuming that we can neglect any damping or external forces, determine how much mass was originally attached to the spring. The original mass was kg. (Type an exact answer, using radicals as needed.)
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