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Based on its type of chemical bond, which of the following has the highest boiling point? potassium chloride ethyl alcohol water ammonia
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1) a child holds two dogs on two separate leads. the dogs are pulling in different directions. one is pulling a force of 20n north and one is pulling 15n eastwards. calculate the resultant force on the child. state the direction. (use the parallelogram of forces) 2) a force of 20n acts horizontally on an object. a second force of 5n acts at 60 degrees to the first one. calculate the resultant force. worth 20 points, need answers asap with method you x
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What are two ways engineers use their understanding of KE and PE to make their designs better/safer?...
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