Question

A car speeds up from 13 m/s to 23 m/s in 30 seconds. What is the
acceleration of the car?
O A. 3.1 m/s2
O B. 0.3 m/s2
O C. 1.4 m/s2
O D. 1.2 m/s2

Answer 1

acceleration of the car = 0.33 m/s²

Explanation:

To calculate the acceleration of the car we use the following formula:

acceleration = change in velocity / time

change in velocity = final velocity - initial velocity

change in velocity = 23 m/s - 13 m/s = 10 m/s

change in velocity = 10 m/s

acceleration = 10 m/s / 30 s

acceleration = 0.33 m/s²

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Answer 2

Answer:

B. 0.3 m/s^2

Explanation: