Questions by Emanuela Colta

Questions by Emanuela Colta

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

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

1 answer

2 votes

111k views

What were the growing dangers of feudalism and knighthood?

asked Oct 22, 2024

1 answer

1 vote

170k views

Who first suggested the existence of gravitational waves?

asked Oct 10, 2024

1 answer

4 votes

224k views

Invertebrates do not possess backbone (true and false)

asked Sep 3, 2024

1 answer

1 vote

95.2k 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

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

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

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

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

1 answer

4 votes

215k views

Given y = x^2 - 4, what is the value of y when x = -5?

asked Aug 22, 2023

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

1 answer

4 votes

42.3k views

Help me with math please

asked Jul 11, 2023

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

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

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

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

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

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

1 answer

20 votes

121k views

Someone show me how to do this

asked May 5, 2022

2 answers

1 vote

131k views

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