14559268
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace casi 6 años
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Pregunta 1
Pregunta
Can position be negative?
Respuesta
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No, position is a magnitude and therefore always positive.
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Yes, whether position is positive or negative depends on the choice of the origin and the definition of the positive direction.
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Yes, position is always negative if you are to the left of the origin.
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No, there is no such thing as negative space, so position must be positive.
Pregunta 2
Pregunta
What is velocity?
Respuesta
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A measure of the force an object feels.
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A measure of how much something speeds up.
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A measure of the change of position with time.
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A complete description of an objects motion.
Pregunta 3
Pregunta
This graph is a displacement-time graph of an object in motion.
Which of the following velocity time graphs shows the same motion as the object in the graph above?
Respuesta
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Graph A
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Graph B
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Graph C
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Graph D
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