Answer
125 m/$s^{2}$
Work Step by Step
We use the equation for average acceleration to obtain:
a̅= $\frac{\Delta v}{\Delta t}$ = $\frac{(450-0) km/s}{1 hr}$ = $\frac{450000 m/s}{3600s}$ = 125 m/$s^{2}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.