Answer
a. Yes. For example, an asteroid moving in deep space at constant velocity.
b. Yes. For example, a vertically thrown projectile at the top of its flight path. This is discussed on pages 46-47.
You need to log in to continue
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.