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Questions by Ahmed Amin Shahin
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User Ahmed Amin Shahin
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Witch device uses AC current to operate
asked
Mar 4, 2020
Physics
middle-school
1
answer
2
votes
165k
views
ANOTHER ONE PLEASE.......HELP ME....
asked
Feb 13, 2020
Mathematics
college
2
answers
0
votes
74.7k
views
If 3n is an even number which of the following is odd number 3n-1 3n-2 3n+2n 3n+2
asked
Jun 22, 2019
Mathematics
middle-school
2
answers
5
votes
135k
views
If the second harmonic of a certain string is 42 Hz, what is the fundamental frequency of the string? 21 Hz 42 Hz 84 Hz 126 Hz
asked
Oct 2, 2018
Physics
high-school
1
answer
5
votes
183k
views
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