Multiple Choice
The position vector of a particle is r(t) . Find the requested vector.
-The velocity at t = 3 for r(t) = ( 8 - 4 ) i + ( 6t + 7) j -
k
A) v( 3) = -24i + 6j + 5 k
B) v( 3) = -24i + 6j - 5 k
C) v( 3) = -12i +6j + 5 k
D) v( 3) = 24i + 6j + 5 k
Correct Answer:

Verified
Correct Answer:
Verified
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