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## Homework Statement

3. (a) If an object's acceleration is zero in one inertial reference frame then is its acceleration zero in all other inertial reference frames? (b) If an object's velocity is zero in one inertial reference frame then is its velocity zero in all other inertial reference frames?

## Homework Equations

## The Attempt at a Solution

I think it's going to be zero in both questions both I'm not so sure and I need an explanation