Question: 4. An object's position is described by the following polynomial for 0 to 10 s. S = 2t4 - 413 - 12 t 2 Where

4. An object's position is described by the following polynomial for 0 to 10 s. S = 2t4 - 413 - 12 t 2 Where s is in meters, t is in seconds, and positive is forward. a. The object's velocity function is b. The objects velocity when t = 5 is m/s c The object's acceleration function is d. The object's acceleration t= 8 is m/s^2 e. The object's velocity when t =8 is m/s f. Time when the object changes direction is 2 places g. Point at which the object changes direction is ( round off to nearest ones)

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