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Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.
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The first-order reaction aā2b+c has rate constant 0.538 sā1. if the initial concentration of a is 0.867 mol lā1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
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After brainstorming, engineers may refine their ideas by making...
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