R(t) = 3t I + 6t J + 7t K

question 16

Multiple Choice

r(t) = 3t i + 6t j + 7t k is the position vector of a particle moving in a plane. Find the acceleration of the particle.

• A) 3i + 6j + 9k
• B) 18
• C) 0
• D) i + j + k
• E) 3i - 6j - 9k

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