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10. DETAILS TANAPCALCBR1O 3.5.030. Acceleration of a Car The distance 5 (in feet) covered by a car r seconds after starting is given by the
10. DETAILS TANAPCALCBR1O 3.5.030. Acceleration of a Car The distance 5 (in feet) covered by a car r seconds after starting is given by the following function. s=t3+4t2+21t (ostgo) Find a general expression for the car's acceleration (in ft/sec3) at any time t (0 S t S 6). 5"(t) = At what time t (in sec) does the car begin to decelerate? (Round your answer to one decimal place.)
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