The displacement of the particle after 0.7 second in x direction is 17.77 m and the displacement in y direction is 34.31 m.
Displacement is a vector quantity that refers to "how far out of place an object is".
Displacement measures the object's overall change in position.
x(t) = 15 + 2t + 4t³
where;
after time, t = 0.7 second
x(0.7) = 15 + 2(0.7) + 4(0.7)³
x(0.7) = 17.77 m
x(t) = 25 + 7t + 9t²
after time, t = 0.7 second
x(0.7) = 25 + 7(0.7) + 9(0.7)²
x(0.7) = 34.31 m
Thus, the displacement of the particle after 0.7 second in x direction is 17.77 m and the displacement in y direction is 34.31 m.
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