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

5.5 m
5.5 metre

9 m
9 metre

11 m
11 metre

18 m
18 metre
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Answer 1

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

Answer: 11 m (11 metre).