4290112
Beschreibung
Quiz von tan_shao_xun, aktualisiert more than 1 year ago
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Erstellt von tan_shao_xun
vor mehr als 8 Jahre
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Frage 1
Frage
Which of the following describes how a ball moves as it is thrown upwards?
Antworten
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The ball slows down.
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The ball speeds up.
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The ball slows down as it reaches the top, then speeds up as it falls back to Earth.
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The ball speeds up as it reaches the top, then slows down as it falls back to Earth.
Frage 2
Frage
How do you explain the motion of the ball in Q1?
Antworten
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The ball uses up its energy.
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The force on the ball is used up.
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Kinetic energy of the ball is converted to G.P.E then converted to kinetic energy again
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G.P.E of the ball is converted to kinetic energy then converted to G.P.E again
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