Unformatted text preview: ≤ t < ∞ .) 3. Find the curvature of r ( t ) = t i + 1 2 t 2 j + 2 √ 2 3 t 3 / 2 k at time t = 2. 4. A particle moving in three space as acceleration a ( t ) = h 2 , sin( πt ) , 6 t i . At time t = 0 the particle is at h 3 , , 1 i while at time t = 2 the particle is at h 1 ,2 , 5 i . What is the velocity of the particle at time t = 1? 5. Find the the line in parametric form which is tangent to the curve x = 2 t 2 + t , y = 2 t 2 , z = t 3t at time t = 2....
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 Spring '08
 Gregorac
 Math, Parametric equation, 50 Minutes, parametric curve, curve et cos

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