Answers by Piotr Kruczek
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Answers by Piotr Kruczek

Answers by Piotr Kruczek
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In an experiment, a beam of electrons of energy E = 4eV is incident on a barrier of height V0 = 3 eV and width a = 1 nm (nm =nanometer). What fraction of the incident beam will be reflected by this potential
answered Dec 4, 2024
3 votes
141k views
Read and choose the correct option to complete the sentence. Tus padres rentaron Ouna llave O una casa de campo O un elevador un servicio de habitación para las vacaciones de familia de este año.
answered Jul 2, 2024
4 votes
119k views
What is the normal speed limit in a school zone when children are present?
answered Jun 28, 2024
1 vote
190k views
Which of the following is correct? A) Most of the ATP are produced by substrate-level phosphorylation. B) Oxidation of FADH2 eventually yields four ATP via oxidative phosphorylation. C) Glycolysis relies
answered May 25, 2024
5 votes
3.2k views
A pre-shared key (PSK) of fewer than _____ characters may be subject to an attack if that key is a common dictionary word. A) 6 B) 8 C) 10 D) 12
answered Apr 20, 2024
3 votes
218k views
What is the ⌊-2.4⌋ Question 2 options: -2 0 -3 -4​
answered Apr 10, 2024
6 votes
189k views
Find a point satisfying the conclusion of the mean value theorem for the function on the interval .
answered Feb 14, 2024
1 vote
97.8k views
Please help 20 points
answered Jan 24, 2024
4 votes
178k views
8 Compare Baroque music to Classical era music. What is MOST likely to be different between these two types of music? ΟΑ. In Classical era music, emotions were encouraged to be left out of musical compositions,
answered Aug 12, 2023
13 votes
48.3k views
Please help ! For geometry
answered Nov 12, 2022
2 votes
17.1k views
What is the slope of the line that goes through points (2, -4) and (-1, 8)
answered Oct 26, 2022
4 votes
209k views
What impact did Europeans think they were having on Africa itself, including African states and rulers?
answered Sep 27, 2022
7 votes
52.3k views
If i have 456.9 divided by 345 multiplied by 56 what is the answer
answered Jun 13, 2022
4 votes
85.1k views
The definitive difference between speed and velocity is the consideration of _____. A. variation B. Direction C. angles,
answered May 11, 2022
5 votes
37.4k views
Please help,it is urgent!)
answered Apr 19, 2022
4 votes
207k views
Drag and drop the correct value next to its equivalent expression. Numbers may be used once or not at all.
answered Jan 9, 2022
4 votes
58.1k views
How is a school a reflection of the society​
answered Dec 16, 2021
6 votes
11.7k views
Dr. Zaius is always emphasizing the importance of earning good grades. Almost every day in class, he says that if students don’t get good grades, they won’t be accepted into graduate school or will miss
answered Nov 25, 2021
3 votes
142k views
What is the answer to life ?
answered Sep 22, 2021
2 votes
90.6k views
3. The Brown case was based on the belief that segregation in Topeka's schools violated the "equal protection clause" of the __________. a. Bill of Rights b. 13th Amendment c. 14th Amendment d. Declaration
answered Sep 16, 2021
5 votes
33.2k views
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