How long would it take a 400 W motor to transfer 2000 J of energy?
Choose 1 answer
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A ball dropped from a cliff has 100 J in its GPE store as it is released. What is the value of the KE store when it just reaches the ground?
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What is the power of a motor that transfers 450 J of energy in 9 s?
Drag the images into the correct place.
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Which is the correct statement about closed systems?
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Select the missing words in the text.
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Look at the slide below to work out the answer.