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In the topology online course by TU Delft, the time-reversal operator acting on a system of spin-1/2 particles is introduced as τ=iσ_yK. I understand this acts on the matrix H in H=c Hc, and σ_y acts on
asked
Nov 20, 2024
Physics
high-school
1
answer
3
votes
71.6k
views
In the tertiary structure of tRNA, where is the anticodon region relative to the attachment site for the amino acid? Are they adjacent to each other?
asked
Nov 7, 2024
Biology
high-school
1
answer
2
votes
111k
views
What were the growing dangers of feudalism and knighthood?
asked
Oct 22, 2024
History
college
1
answer
1
vote
170k
views
Who first suggested the existence of gravitational waves?
asked
Oct 10, 2024
Physics
high-school
1
answer
4
votes
224k
views
Most systems developers believe that data modeling is the least important part of the systems development process. a.True b.False
asked
Jun 28, 2024
Computers and Technology
high-school
1
answer
5
votes
33.9k
views
After closely reading Edgar Allen Poe's The Raven and Annabel Lee. Construct a 3-point Essay arguing what is learned about love and loss in both poems.
asked
Jun 22, 2024
English
high-school
1
answer
0
votes
26.5k
views
A 6th grade class did a weekend fitness challenge. Each student set a goal of 75 minutes of fitness. Kasa exercised for 96 minutes. What percent of the goal did she achieve?
asked
Apr 5, 2024
Mathematics
high-school
1
answer
3
votes
31.0k
views
Yo Tú Write all the persons of the verb hablar: Hable con los alumnos. Hablas Usted Ella Habla 2. ¿Qué lengua 3. Margarita - ن .5 4. Nosotros 7. ¿Tú 8. Ella Write the indicated form of the verb in parentheses:
asked
Feb 20, 2024
Spanish
high-school
1
answer
3
votes
155k
views
Which of the following is an issue with replanting forests? Monocultures Drip Irrigation Habitat Loss None of the above
asked
Dec 10, 2023
Geography
high-school
1
answer
4
votes
215k
views
Given y = x^2 - 4, what is the value of y when x = -5?
asked
Aug 22, 2023
Mathematics
high-school
2
answers
1
vote
40.7k
views
Answer the following questions10. How much interest will be earned in 3 years from $730placed in a savings account at 6.5% simple interest?
asked
Aug 12, 2023
Mathematics
college
1
answer
4
votes
42.3k
views
Help me with math please
asked
Jul 11, 2023
Mathematics
high-school
1
answer
1
vote
63.0k
views
Which number sentence is true?A.-3 + 5 = -8B.-3 – (-5) = -8C.3 – 5 = 2D.3 – (-5) = 8
asked
Feb 7, 2023
Mathematics
college
1
answer
5
votes
111k
views
Which rights are protected by the 5th, 6th, and 8th amendments? A. voting rights B. privacy rights C. rights in the legal system D. rights reserved to the state
asked
Nov 22, 2022
History
high-school
1
answer
0
votes
182k
views
Choose preterite or imperfect Colton spent his summers in Florida. preterite or imperfect I wrote a letter preterite or imperfect Judy use to work at six flags preterite or imperfect He was six years old
asked
Oct 24, 2022
Spanish
college
2
answers
14
votes
84.3k
views
Copy the figure. Identify and describe the number of lines of symmetry for the figure. List the angles of rotation for the figures that have rotational symmetry.
asked
Sep 19, 2022
Mathematics
high-school
1
answer
1
vote
25.4k
views
Do you mind to help me plzzz? What are advantages and disadvantages of sexual reproduction? No links and No copying
asked
Sep 6, 2022
Biology
middle-school
1
answer
0
votes
193k
views
A 70.0kg person walks from the ground to the roof of a 25.3 m tall building. How much gravitional Potential Energy does she have at the top of the building. A-17,394.4 B/18,865.8 J C-17,355.8 J D-12,873.
asked
Jun 7, 2022
Physics
high-school
1
answer
20
votes
121k
views
Someone show me how to do this
asked
May 5, 2022
Mathematics
high-school
2
answers
1
vote
131k
views
The parts of the nervous system are ________, ________, and _______. ( choose 3 answers) A. spinal cord B. heart C. nerves D. brain
asked
Apr 2, 2022
Social Studies
high-school
1
answer
1
vote
52.2k
views
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