The Position of an Object Is Given by X =

question 46

Multiple Choice

The position of an object is given by x = at3 - bt2 + ct where a = 4.1 m/s³, b = 2.2 m/s²,
C = 1.7 m/s and x and t are in SI units. What is the instantaneous acceleration of the object when
T = 0.7 s?

• A) -13 m/s²
• B) 2.9 m/s²
• C) 4.6 m/s²
• D) 13 m/s²

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