Physics, 02.12.2021 21:30 Neoncoolguy1
A student is given two rectangular "Mystery Blocks" of different size, dimensions, and mass. She is asked to determine which block has a greater mass without using a balance or scale. Which of the following procedures could determine which block has more mass?
Drop both blocks from the same height and see which one hits the ground first.
Apply an equal amount of force to both blocks and see which has less acceleration.
Determine which block has greater volume by multiplying height x width x length.
Launch both blocks upward with equal speeds and see which block has a lower peak.
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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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