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TOPIC: Energy

Energy 7 years 4 months ago #1

  • Angela
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Pls advise which graph is correct and why.
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Energy 7 years 4 months ago #2

  • noorunnisa
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The answer is (3). The boy's potential energy is dependent on height - it decreases as he goes down. It becomes zero when he reaches the ground.
The boy's kinetic energy is dependant on his speed - since it is constant as he goes down, his kinetic energy is also constant.
Hope this helps!
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