$$\text { Find the mass of the wire that lies along the curve } r \text { and has density } \delta \text {. }$$

question 232

Multiple Choice

$$\text { Find the mass of the wire that lies along the curve } r \text { and has density } \delta \text {. }$$
- $$r ( t ) = 4 i + ( 3 - 4 t ) j + 3 t k , 0 \leq t \leq 2 \pi ; \delta = 4 ( 1 + \sin 10 t )$$

• A) \(8 + 40 \pi\) units
• B) \(8 \pi\) units
• C) \(4 + 40 \pi\) units
• D) \(40 \pi\) units

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