A 600-Kg Person Drops from Rest a Distance of 1

question 44

Multiple Choice

A 60.0-kg person drops from rest a distance of 1.20 m to a platform of negligible mass supported by an ideal stiff spring of negligible mass. The platform drops 6.00 cm before the person comes to rest. What is the spring constant of the spring?

• A) 2.56 × 10⁵ N/m
• B) 3.92 × 10⁵ N/m
• C) 5.45 × 10⁴ N/m
• D) 4.12 × 10⁵ N/m
• E) 8.83 × 10⁴ N/m

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Definitions:

Deci-

A metric prefix denoting a factor of one tenth.

Grain

Small, hard seeds of cereal plants like wheat and rice, consumed as food.

Abbreviation

A shortened form of a word or phrase, used typically to save space or for convenience.

Ratio

Shows the relative sizes of two or more values.