# Answer to Question #14531 in Mechanics | Relativity for Nick

Question #14531

An object has a (vector) displacement, x(t) (in m), as a function of time, t, (in s)

x(t) = A î + B t ĵ + C t2 ĵ + D t3 î Where î and ĵ are dimensionless unit vectors.

What is the velocity of the object as a function of time?

What do the constants A, B, C and D represent? What are their units? Which are scalars, vectors or neither?

x(t) = A î + B t ĵ + C t2 ĵ + D t3 î Where î and ĵ are dimensionless unit vectors.

What is the velocity of the object as a function of time?

What do the constants A, B, C and D represent? What are their units? Which are scalars, vectors or neither?

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