The Mass of Part of a Wire Is $x(1+\sqrt{x})$ Kilograms, Where X Is Measured in Meters from One End

question 49

Multiple Choice

The mass of part of a wire is $x(1+\sqrt{x})$ kilograms, where x is measured in meters from one end of the wire. Find the linear density of the wire when x = 16 m .

• A) \(6 \mathrm{~kg} / \mathrm{m}\).
• B) \(6 \mathrm{~kg} / \mathrm{m}\)
• C) \(1.5 \mathrm{~kg} / \mathrm{m}\)
• D) \(4 \mathrm{~kg} / \mathrm{m}\)
• E) \(\text { None of these }\)

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