Physics, 24.06.2019 04:30 dymari10p59xn8
The masses of a sample of hydrogen gas and a sample of helium gas are the same: 1 g. the density of hydrogen is 0.00009 g/cm3 and the density of helium is 0.00018 g/cm3. which is an accurate description of their relative volumes? a. the volumes of the hydrogen and helium samples are the same. b. the volume of the hydrogen sample is greater than the volume of the helium sample. c. the volume of the hydrogen sample is smaller than the volume of the helium sample.
Answers: 3
Physics, 21.06.2019 21:00
Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk,in meters?
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Physics, 22.06.2019 15:00
What happens when a rubber rod is rubbed with a piece of fur?
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Physics, 23.06.2019 09:00
Momentum lab this lab uses a phet simulation. navigate to the phet momentum simulation. if you don’t see the image below when you click on the link, then you need to either enable adobe flash (click on the puzzle piece on your screen) or you need to install adobe flash (this is a free program). change the vectors to be momentum vectors only. they are yellow. make the mass of both balls the same. hit play and notice what happens to the momentum vectors before and after the collision. you might want to play the sim multiple times. click on restart or return balls to start over. to see numbers, check the show values box (inside the green box). red’s momentum vector before the collision is green’s momentum vector after the collision. question 1 options: shorter than longer than equal to question 2 (1 point) saved since green bounces off red, this must be an collision. question 2 options: explosion inelastic elastic question 3 (1 point) red transfers of its momentum to green during the collision. question 3 options: little all most none question 4 (4 points) why does red transfer all its momentum to green? back up your answer with information from the simulation. write at least 2 sentences.
Answers: 1
The masses of a sample of hydrogen gas and a sample of helium gas are the same: 1 g. the density of...
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