sanic123 sanic123

04-04-2018
Physics

contestada

Motion is...

A reference point.

A change in position over a certain amount of time.

A change in speed over a certain amount of time.

A change in direction.

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rachelmcgee198p6z3b4 rachelmcgee198p6z3b4

11-04-2018

a chain position over a certain amount of time

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