Question

"An object accelerates from 2 m/s to 20 m/s in 9 seconds. What is the acceleration?

Round your answer to the nearest tenth."
A) 2.2 m/s²
B) 2.4 m/s²
C) 2.6 m/s²
D) 2.8 m/s²

Answer 1

The acceleration of the object is 2 m/s².

Step-by-step explanation:

To find the acceleration, we can use the formula: acceleration = (change in velocity) / (time). In this case, the change in velocity is 20 m/s - 2 m/s = 18 m/s, and the time is 9 seconds. Plugging these values into the formula, we get: acceleration = 18 m/s / 9 s = 2 m/s². Therefore, the acceleration is 2 m/s².