The vector position of a particle varies in time according, Ask an Expert

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The vector position of a particle varies in time according to the expression = 5.60 - 6.80 t² 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.)

b) Determine the acceleration of the particle as a function of time. (Use any variable or symbol stated above as necessary.)

c) Calculate the particle's position and velocity at t = 5.00 s

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