Question

(02.04 mc)
a velocity - time graph is shown below:
what is the average acceleration of the object represented in the graph above over the 10 seconds?
o a 0 m/s²
o b 2 m/s²
o c 4 m/s²
o d 6 m/s²

Explanation:

Step1: Identify initial and final velocity

Initial velocity $v_0 = 0$ m/s (at $t = 0$ s), final velocity $v = 20$ m/s (at $t=10$ s)

Step2: Use acceleration formula

The formula for average acceleration $a=\frac{v - v_0}{t}$. Here, $t = 10$ s, $v_0=0$ m/s, $v = 20$ m/s. So $a=\frac{20 - 0}{10}$

Step3: Calculate the value

$a=\frac{20}{10}=2$ m/s²

Answer:

B. 2 m/s²