In grinding a steel knife blade (specific heat = 0.11 cal/g-c),the metal can get as hot as 400c. if the blade has a mass of 80g, what is the minimum amount of water needed at 20c if the water isnot to rise above the boiling point when the hot blade is quenchedin it?
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Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work
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which statements describe the image? check all that apply.the wood is releasing argon gas.this information is useful for dating ancient rock.the process works only with organic matter.the element has a half-life of 5,730 years.this shows the half-life of carbon-19.
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In grinding a steel knife blade (specific heat = 0.11 cal/g-c),the metal can get as hot as 400c. if...
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