14559268
Descrição
Quiz por Jeffrey Piggott, atualizado more than 1 year ago
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Criado por Jeffrey Piggott
mais de 6 anos atrás
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Questão 1
Questão
Can position be negative?
Responda
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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.
Questão 2
Questão
What is velocity?
Responda
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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.
Questão 3
Questão
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?
Responda
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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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