A particle is moving in a straight line and its distance s cm from a fixed point in the line after t seconds is given by s = 12t 15t2 + 4t3. What is the acceleration of the particle after 3 seconds?

A particle is moving in a straight line and its distance s cm from a f

1.	A particle is moving in a straight line and its distance s cm from a fixed point in the line after t seconds is given by s = 12t 15t2 + 4t3. What is the acceleration of the particle after 3 seconds?
A.	41 cm/sec<sup>2</sup>
B.	42 cm/sec<sup>2</sup>
C.	43 cm/sec<sup>2</sup>
D.	44 cm/sec<sup>2</sup>
Answer» C. 43 cm/sec<sup>2</sup>

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A particle is moving in a straight line and its distance s cm from a fixed point in the line after t seconds is given by s = 12t 15t2 + 4t3. What is the acceleration of the particle after 3 seconds?

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