Two-Dimensional Motion: Object a Has a Position as a Function

Multiple Choice

Two-dimensional motion: Object A has a position as a function of time given by _A(t) = (3.00 m/s) t + (1.00 m/s²) t²

. Object B has a position as a function of time given by
_B(t) = (4.00 m/s) t + (-1.00 m/s²) t²

. All quantities are SI units. What is the distance between object A and object B at time

A) 34.6 m
B) 15.0 m
C) 18.3 m
D) 3.46 m
E) 29.8 m