you pull on a spring whose spring constant is 17 n/m, and stretch it from its equilibrium length of 0.2 m to a length of 0.3 m. estimate the work done by dividing the stretching process into two stages and using the average force you exert to calculate work done during each stage.
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The protons in a nucleus are approximately 2 ✕ 10^−15 m apart. consider the case where the protons are a distance d = 1.93 ✕ 10^−15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.
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Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?
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Using a caesar cypher with an offset of three characters (a -> d, b -> e, z -> c), what would be the correct cypher text for the plain text "attack at dawn"?
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you pull on a spring whose spring constant is 17 n/m, and stretch it from its equilibrium length of...
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