Physics, 23.11.2019 04:31 gisellekarime
Apopular classroom demonstration is to place a gas can on a burner and boil water in it. left unchecked this has the potential to be a very boring demo. however the can is removed from the flame and the lid is screwed on tightly. after it cools down the can will
a) still be boring and not change.
b) shrivel up, since colder gases have less pressure.
c) bulge and expand, since colder gases are denser and exert more pressure
d) shrivel up, since the atmosphere exerts more force on the can as it cools.
Answers: 3
Physics, 22.06.2019 00:00
Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.
Answers: 2
Physics, 22.06.2019 06:00
An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?
Answers: 3
Physics, 22.06.2019 09:00
This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf
Answers: 1
Apopular classroom demonstration is to place a gas can on a burner and boil water in it. left unchec...
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