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Answers by RayLuo

Answers by RayLuo
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An infinitely long sheet of charge of width L lies in the xy-plane between x = - L{\rm{/}}2 and x = L/2. The surface charge density is \eta. Derive an expression for the electric field \vec E along the
answered Aug 17, 2021
2 votes
51.0k views
Which of the following aspects of Jason's life best indicate that he has good mental health? A. He exercises for 30 minutes a day. B. He enjoys spending time with friends. C. He sleeps for 8 to 10 hours
answered Jun 18, 2021
7 votes
21.8k views
How does command economy differ from a mixed market economy?
answered Jun 15, 2021
2 votes
57.5k views
What would be the best way to start analyzing this extract from A Christmas Carol for how Dickens shows the importance of family in a PEEL paragraph? Extract: So Martha hid herself, and in came little
answered Mar 25, 2021
3 votes
226k views
Sam Uses glass beads for a project. of the beads, 35/100 are gold and 4/10 are silver. what fraction of the glass beads are gold or silver
answered Feb 28, 2021
3 votes
219k views
Holaaa! Porfavor, alguien me puede resumir el cuento "Corrida de gallos" de Cuentos peruanos? El libro (cuentos peruanos) contiene varios cuentos, y uno de ellos es este (corrida de gallos) Es de Ventura
answered Feb 17, 2021
0 votes
67.2k views
What were the arguments for and against Hamilton's plans for a national bank?
answered Jan 25, 2021
2 votes
30.0k views
Which best describes the age structure of a population with zero population growth?4 The majority of people are of prereproductive ages in a broad-base pyramid age structure diagram. The age-structure
answered Nov 25, 2020
5 votes
188k views
Which part of the neuron manufactures substances that help the neuron grow?
answered Nov 23, 2020
1 vote
111k views
There are methods to discovering the meaning of a word when a dictionary is not available. True False
answered Nov 20, 2020
4 votes
56.4k views
Jorge wants to know whether music affects plant growth. He puts two identical plants in separate rooms. One room is sunny and has a stereo playing rock music all day. The other room is quiet and dark.
answered Oct 19, 2020
4 votes
14.1k views
If two angles of one triangle are congruent, respectively, to two angels of another triangle, which best describes the two triangle A: both equilateral B: both isosceles C: congruent D: similar
answered Sep 25, 2020
3 votes
213k views
Which matrix represents this system of equations? -9x+5z=0, -2y+2z=0, x+2y=-2
answered Jun 25, 2020
0 votes
127k views
What kind of image is formed when an object is placed between the focal point and the vertex on the principle axis of a concave mirror ? A. Real , inverted , & smaller B.virtual , upright & larger C. Real,
answered Jun 23, 2020
4 votes
33.2k views
The area of a circle is 196 pi square inches. what is the exact length of the circle's radius?
answered Aug 28, 2019
1 vote
123k views
What is the quotient? x + 1)3x2 − 2x + 7 3x − 5 + 3x − 5 + 3x + 5 + 3x + 5 +
answered Jul 29, 2019
0 votes
93.8k views
How do you solve this problem solve for c r-c=p
answered Jul 23, 2019
5 votes
231k views
This tissue consists of a collection of cells surrounded by ____________ , which is composed of thread-like ____________ and ____________ which varies in consistency.
answered Jun 29, 2019
4 votes
144k views
Why did Napoleon bring back catholic church's in france?
answered May 18, 2019
2 votes
123k views
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