An Astronaut Measures Her Mass by Means of a Device

question 4

Multiple Choice

An astronaut measures her mass by means of a device consisting of a chair attached to a large spring. Her mass can be determined from the period of the oscillations she undergoes when set into motion. If the spring constant is 1250 N/m and 27.0 seconds are required for her to undergo 10 full oscillations, what is the combined mass of the astronaut and chair?

• A) 231 kg
• B) 537 kg
• C) 85.5 kg
• D) 171 kg

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