Physics, 27.10.2020 20:00 comaslaz21
Write the following numbers in standard notation:
a. 9 x 103
b. 7.7 x 10-5
c. 4.99 x 10-9
d. 2.25 x 1010
Answers: 2
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In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.
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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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Write the following numbers in standard notation:
a. 9 x 103
b. 7.7 x 10-5
...
b. 7.7 x 10-5
...
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