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Pregunta 1
Pregunta
what is a reference point?
Respuesta
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is a place or object used to determine if something is in motion.
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if an objects position changes relative to another object.
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a place we refer to when determining if an object is accelerating.
Pregunta 2
Pregunta
how do you know if an object is in motion?
Respuesta
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if it is vibrating.
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if the objects beside it move relative to it
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if its position changes relative to another object
Pregunta 3
Pregunta
what is distance?
Respuesta
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to describe velocity
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to describe motion
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is a length of a path between two points
Pregunta 4
Pregunta
what do we need (si) unit for.
Respuesta
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to calculate acceleration.
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to know if an object is moving.
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to describe motion completely.
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