The position of a particle as a function of time along the x-axis is given by x = ((5 m) + (12 m/s) t - (4 m/s2) t2 ) .What is the speed of the particle when its position is x = 14 m?
A) 0 m/s
B) 5 m/s
C) 12 m/s
D) 24 m/s
E) 60 m/s
Correct Answer:
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