The velocity of an object as a function of time is given by v = (12.5t − 7.2t²)

The velocity of an object as a function of time is given by v = (12.5t − 7.2t<sup>2</sup>) + (4.3t<sup>3</sup>) .What is its acceleration as a function of time? A)a = (12.5 − 14.4t) + (12.9t<sup>2</sup>) B)a = (−7.2) + (4.3t) C)a = (5.3t) + (12.9t<sup>2</sup>) D)a = (−7.2) + (8.6t) E)a = (−14.4t) + (4.3t<sup>2</sup>)

+ (4.3t³)

.What is its acceleration as a function of time?
A)a = (12.5 − 14.4t) The velocity of an object as a function of time is given by v = (12.5t − 7.2t2) + (4.3t3) .What is its acceleration as a function of time? A)a = (12.5 − 14.4t) + (12.9t2) B)a = (−7.2) + (4.3t) C)a = (5.3t) + (12.9t2) D)a = (−7.2) + (8.6t) E)a = (−14.4t) + (4.3t2)

+ (12.9t²)
The velocity of an object as a function of time is given by v = (12.5t − 7.2t2) + (4.3t3) .What is its acceleration as a function of time? A)a = (12.5 − 14.4t) + (12.9t2) B)a = (−7.2) + (4.3t) C)a = (5.3t) + (12.9t2) D)a = (−7.2) + (8.6t) E)a = (−14.4t) + (4.3t2)

B)a = (−7.2) The velocity of an object as a function of time is given by v = (12.5t − 7.2t2) + (4.3t3) .What is its acceleration as a function of time? A)a = (12.5 − 14.4t) + (12.9t2) B)a = (−7.2) + (4.3t) C)a = (5.3t) + (12.9t2) D)a = (−7.2) + (8.6t) E)a = (−14.4t) + (4.3t2)

+ (4.3t)

C)a = (5.3t) The velocity of an object as a function of time is given by v = (12.5t − 7.2t2) + (4.3t3) .What is its acceleration as a function of time? A)a = (12.5 − 14.4t) + (12.9t2) B)a = (−7.2) + (4.3t) C)a = (5.3t) + (12.9t2) D)a = (−7.2) + (8.6t) E)a = (−14.4t) + (4.3t2)

D)a = (−7.2) The velocity of an object as a function of time is given by v = (12.5t − 7.2t2) + (4.3t3) .What is its acceleration as a function of time? A)a = (12.5 − 14.4t) + (12.9t2) B)a = (−7.2) + (4.3t) C)a = (5.3t) + (12.9t2) D)a = (−7.2) + (8.6t) E)a = (−14.4t) + (4.3t2)

+ (8.6t)

E)a = (−14.4t) The velocity of an object as a function of time is given by v = (12.5t − 7.2t2) + (4.3t3) .What is its acceleration as a function of time? A)a = (12.5 − 14.4t) + (12.9t2) B)a = (−7.2) + (4.3t) C)a = (5.3t) + (12.9t2) D)a = (−7.2) + (8.6t) E)a = (−14.4t) + (4.3t2)

+ (4.3t²)

An Object Is Shot from the Back of a Railroad

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