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Friction is generated when _____ interact with each other on sliding surfaces.
answered
May 7, 2018
Physics
high-school
1
vote
89.9k
views
Determine whether the quantitative variable is discrete or continuous. number of lightning strikes in a city in one year'
answered
Mar 26, 2018
Mathematics
high-school
2
votes
32.1k
views
What and who caused the Mexican revolution?
answered
Jan 30, 2018
History
high-school
4
votes
118k
views
What is greater four liters or one gallon
answered
Sep 18, 2017
Mathematics
high-school
1
vote
141k
views
7 times 10 times 4 times 1 plus (2 times 1/10) plus (5 times 1/100)
answered
Sep 11, 2017
Mathematics
middle-school
1
vote
52.6k
views
According to Bohr's model of the hydrogen atom, what determines the energy of an electron? A. the radius of its orbit B. the direction of its orbit C. the stability of its orbit
answered
Jun 29, 2017
Chemistry
high-school
5
votes
193k
views
The action of which two people played a large role in ending communism in poland?
answered
Feb 21, 2017
History
high-school
2
votes
19.0k
views
Use the model to find 3x126
answered
Jan 10, 2016
Mathematics
middle-school
0
votes
96.5k
views
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