Physics

Problem

30. The position vs. time graph for an object moving in a straight line is shown below. What is the instantaneous velocity at

t=2 \mathrm{~s}

? ![](https://storage.googleapis.com/diraq-contents/question-bank/question-images/75ac6ea56606/2025_11_20_329fe3e643ae1b5596f9g-07.jpg) (A)

-2 \mathrm{~m} / \mathrm{s}

(B)

\frac{1}{2} \mathrm{~m} / \mathrm{s}

(C)

0 \mathrm{~m} / \mathrm{s}

(D)

2 \mathrm{~m} / \mathrm{s}