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The Velocity of an Object as a Function of Time

Question 31

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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) 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>)   .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 − 7.2t<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>)   + (12.9t2)
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>)
B) a = (−7.2) 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>)   + (4.3t)
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>)
C) a = (5.3t) 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>)   + (12.9t2)
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>)
D) a = (−7.2) 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>)   + (8.6t)
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>)
E) a = (−14.4t) 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>)   + (4.3t2)
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>)

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