Question: ( 1 0 pts . ) A particle moves in a spiral trajectory given by the parametric equations r ( t ) = c o

(10 pts.)
A particle moves in a spiral trajectory given by the parametric equations
r(t)=cos(2t)
(t)=ln(1+t)
Compute the magnitude of the acceleration at time t=0.
( 1 0 pts . ) A particle moves in a spiral

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