Question

Use the equation of motion to answer the question.

x=x0+v0t+12at2

An object has a starting position of x = 2 m, a starting velocity of 4.5 m/s, and no acceleration. Which option shows the final position of the object after 2 s?

(1 point)
Responses

18 m
18 m

5.5 m
5.5 m

9 m
9 m

11 m

Answer 1

x = x0 + v0t + 1/2 a t^2 = 2 + (4.5)(2) + 0 = 2 + 9 = 11 m

Answer: 11 m