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11. When you observe an object how do you know if it is moving? A). its mass and velocity changes B). it's frame of reference changes. C). its position changes D). it's momentum changes​

Sagot :

Answer:

11. When you observe an object how do you know if it is moving? A). its mass and velocity changes B). it's frame of reference changes. C). its position changes D). it's momentum changes

B po

Answer:

C. It's position changes

Explanation:

An object is moving if its position relative to a fixed point is changing. Even things that appear to be at rest move.