4290112
Description
Quiz by tan_shao_xun, updated more than 1 year ago
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Created by tan_shao_xun
over 8 years ago
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Question 1
Question
Which of the following describes how a ball moves as it is thrown upwards?
Answer
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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.
Question 2
Question
How do you explain the motion of the ball in Q1?
Answer
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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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