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, 21.06.2019 21:30
In what direction does the medium move relative to the direction of the wave? explain.
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Physics, 21.06.2019 22:00
Identify the forces that contribute to the centripetal force on the object in each of the following examples: a. a bicyclist moving around a flat, circular track b. a bicycle moving around a flat, circular track c. a racecar turning a corner on a steeply banked curve
Answers: 1
Physics, 22.06.2019 11:00
Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg • what must the total momentum of the system be after the train cars collide? kg •
Answers: 2
Apopular classroom demonstration is to place a gas can on a burner and boil water in it. left unchec...
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