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Find the Mass of the Wire That Lies Along the Curve

Question 90

Multiple Choice

Find the mass of the wire that lies along the curve r and has density δ.
-r(t) = ( 7 cos t) i + ( 7 sin t) j + 7tk, 0 \le t \le 2 π\pi ;  Find the mass of the wire that lies along the curve r and has density δ. -r(t)  = ( 7 cos t) i + ( 7 sin t) j + 7tk, 0  \le  t  \le 2 \pi ;   = 8 A)  112 \pi    units B)  16 \pi  units C)  784 \pi    units D)  14 \pi    units = 8


A) 112 π\pi  Find the mass of the wire that lies along the curve r and has density δ. -r(t)  = ( 7 cos t) i + ( 7 sin t) j + 7tk, 0  \le  t  \le 2 \pi ;   = 8 A)  112 \pi    units B)  16 \pi  units C)  784 \pi    units D)  14 \pi    units units
B) 16 π\pi units
C) 784 π\pi  Find the mass of the wire that lies along the curve r and has density δ. -r(t)  = ( 7 cos t) i + ( 7 sin t) j + 7tk, 0  \le  t  \le 2 \pi ;   = 8 A)  112 \pi    units B)  16 \pi  units C)  784 \pi    units D)  14 \pi    units units
D) 14 π\pi  Find the mass of the wire that lies along the curve r and has density δ. -r(t)  = ( 7 cos t) i + ( 7 sin t) j + 7tk, 0  \le  t  \le 2 \pi ;   = 8 A)  112 \pi    units B)  16 \pi  units C)  784 \pi    units D)  14 \pi    units units

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