Physics, 03.02.2020 08:54 corriganpelton
Consider four objects: a, b, c, and d. if a is negatively charged and b and c attract a but repel each other, what is the charge on b and c?
a. both b and c are positively charged.
b. both b and c are negatively charged.
c. b is positively charged and c is negatively charged.
d. b is negatively charged and c is positively charged.
e. both b and c have no charge.
Answers: 3
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Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.
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Consider four objects: a, b, c, and d. if a is negatively charged and b and c attract a but repel e...
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