3. [-14 Points] DETAILS SERPSE10 4.2.P.003. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The vector position of a particle varies in time according to the expression 6.80 î - 8.80t2 j where is in meters and t is in seconds. (a) Find an expression for the velocity of the particle as a function of time. (Use any variable or symbol stated above as necessary.) m/s (b) Determine the acceleration of the particle as a function of time. (Use any variable or symbol stated above as necessary.) m/s2 (c) Calculate the particle's position and velocity at t = 2.00 s. m/s

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