a. melting ice
Physics, 24.08.2019 02:10 fernandar44
Which of the following processes gives off more energy than it absorbs?
a. melting ice
b. burning propane in a gas heater
c. sublimation of carbon dioxide ice to carbon dioxide gas
d. recharging a car battery
Answers: 1
Physics, 22.06.2019 05:10
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.
Answers: 3
Physics, 22.06.2019 09:30
Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.
Answers: 2
Physics, 22.06.2019 11:10
Which situation will produce the greatest change of momentum
Answers: 2
Which of the following processes gives off more energy than it absorbs?
a. melting ice
a. melting ice
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