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Questions (909)
Find the value of the magnetic field necessary to cause a proton moving at a speed of 2.50 ×10^3 m/s to go into a circular
1 answer
1,021 views
"Beauty if only skin deep" is an example of ?
A. personification. B. hyperbole. C. a generalization. D. a cliche
4 answers
698 views
How long will it take an echo to return across a canyon that is 61.0 m from one side to the other if the temperature is 25 C?
1 answer
1,292 views
give the full, ionic and net equations for the reaction (if any) that occurs when aqueous soulutions of Na2CO3 and MgCl2 are
1 answer
1,199 views
A parachute reaches terminal velocity.
F drag Fg=850N what is the value of F drag? What is the net force? What is the
1 answer
600 views
If you could create a time capsule.
what valuable things or memories would you put in it? Note you won't open it for 10 years
1 answer
395 views
how would you make 1 molar solution using 4 molar solution and pure water?
0 answers
393 views
What was significant about the Third Aliyah?
2 answers
498 views
In what ways will climate change impact global society?
Have to write a 4-5 page paper on this I am just needing some ideas.
1 answer
906 views
A uniform 22 kg door that is 2.5 m high by 0.80 m wide is hung from two hinges that are 20 cm from the top and 20 cm from the
2 answers
725 views
A stationary 3.0-m board of mass 6.0 kg is hinged at one end. A force is applied vertically at the other end, and the board
1 answer
1,302 views
convert polar equations to rectangular coordinates.
1.) θ=π 2.) r=6 cos θ 3.) sec θ=2
2 answers
594 views
I- is converted into I2 by the addition of an aqueous solution of KMnO4 to an aqueous solution of KI. What is the oxidation
1 answer
828 views
An object is projected upward from the surface of the Earth with an initial speed of 4.6 km/s. Find the maximum height it
0 answers
700 views
A satellite with a mass of 310 kg moves in a circular orbit 7.00*10^7 m above the Earth's surface.
(a) What is the gravitational
1 answer
843 views
For 6z=126 mike wrote that z=756 explain what mikes mistake was then tell the cor4rect answer.
1 answer
535 views
A 2.4 m long rod of mass m1 = 11.0 kg, is supported on a knife edge at its midpoint. A ball of clay of mass m2 = 5 kg is dropped
0 answers
754 views
Explain how t make 1.5L of a 2.25M solution of H2SO4 from 6.0M stock solution.
2 answers
409 views
A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 5.0
1 answer
1,949 views
The system shown below is released from rest. The mb = 35 kg block is 2 m above the ledge. The pulley is a uniform disk with a
1 answer
2,083 views
A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 5.0
0 answers
747 views
A hollow, thin-walled cylinder and a solid sphere start from rest and roll without slipping down an inclined plane of length 5.0
0 answers
739 views
A wheel has a thin 2.7 kg rim and four spokes each of mass 1.3 kg. Find the kinetic energy of the wheel when it rolls at 6.0 m/s
0 answers
554 views
A 4 kg block resting on a frictionless horizontal ledge is attached to a string that passes over a pulley and is attached to a
1 answer
2,602 views
A 1.3-kg 10-cm-diameter solid sphere is rotating about its diameter at 77 rev/min.
(a) What is its kinetic energy? (b) If an
1 answer
968 views
Four particles, one at each of the four corners of a square with 2.5-m-long edges, are connected by mass less rods. The masses
1 answer
3,656 views
A disk of radius 12 cm, initially at rest, begins rotating about its axis with a constant angular acceleration of 7.8 rad/s2.
3 answers
2,292 views
What is the minimum amount of ice (at 0 degress C) that must be added to 250mL of water at 23 degrees C in order to cool it to 0
1 answer
1,669 views
A puck of mass 0.60 kg approaches a second, identical puck that is stationary on frictionless ice. The initial speed of the
1 answer
2,737 views
What is the adverb in these sentences? I got the answer, but can you check?
In the past, scientists did not have much information
3 answers
599 views
rewrite the expression in terms of the first power of cosine.
cos^3(x)sin^4(x)
0 answers
590 views
rewrite the expression in terms of the first power of cosine.
cos^3(x)sin^4(x)
0 answers
442 views
Rewrite the expression in terms of the first power of cosine
sin^4(x)
0 answers
676 views
if I have sin(6x)+cos(6x)how would I write it in terms of sin only?
0 answers
808 views
Write the expression as a trigonometric function of one number.
(cos 20 degrees)(cos 70 degrees)+(sin 20 degrees)(sin 70 degrees)
10 answers
2,099 views
exponentiating to solve equations: solve the eaquation, cheack for extraneous solutions
log5(x+4)+log5(x+1)=2
4 answers
654 views
I have to write a story in the perspective of a 2 year old and I need a plot for the story. Any suggestions?
1 answer
438 views
Use the chemical reaction below to answer
the questions that follow. CuO(s) + H2(g) → Cu(s) + H2O(g) a. What is the limiting
5 answers
1,231 views
How many grams of a stock solution that is 92.5 percent h2s04 by mass would be needed to make 250 grams of a 35% by mass
2 answers
573 views
in the late nineteenth century:
how could trusts purchase a senate seat? what were the sympathies of the national government
1 answer
1,631 views
Sketch the velocity vs. time graph for an object that:
• from 0 to 2 seconds has moved with constant velocity of 3 m/s • from
0 answers
524 views
The picture shows a uniform ramp between two buildings that allows for
motion between the buildings due to strong winds. At its
0 answers
1,305 views
Please check my answer to this question:
Consider the protagonist in the novel that you read this semester. In a response of no
1 answer
1,044 views
Consider the protagonist in "Frankenstein". Explain how Victor Frankenstein character changes over the course of the novel,
1 answer
736 views
Consider the protagonist in "Frankenstein". Explain how Victor Frankenstein character changes over the course of the novel,
4 answers
815 views
Choose the answer that identifies the underlined word.
Well, I must say that your ideas are quite creative. ("creative" is
1 answer
546 views
Write a 350- to 500-word statement that reflects on how your ethnicity influences your personal behavior, attitudes, and values.
2 answers
859 views
I'm trying to answer an essay question asking me to describe Islamic principles or characteristics that are unsettling when an
3 answers
598 views
A day on Pluto lasts 6.39 times longer than a day in earth.If an Earth day lasts 24 hour how many hours is a day in Pluto?
2 answers
558 views
How do I determine the noble gas configuration of Sm+3? I know the normal noble gas configuration of Sm is[Xe]6s2 4f6. Thanks!
1 answer
542 views
A cube has a volume of 24 cubic units. What is the APPROXIMATE length of each side of the cube?
3 answers
2,794 views
-x^2+4x=-43
I forgot how to do this? Any help would be appreciated.
3 answers
408 views
How do I do molarity,molality,and normality
1 answer
512 views
How do I do molarity,molality,and normality
1 answer
436 views
Determine the freezing point depression of H20 in 1.50 m solution of C12H22011?
1 answer
395 views
The element X has an atomic mass of 12.80
amu. It is known to have two isotopes 12X and 13X. Which of the following is true about
0 answers
730 views
I need help putting my thesis into "parallel grammatical structure".
Children should be limited on the amount of television they
1 answer
872 views
12x^2-20x+3
Factor. Cant figure it out.. Thanks!
1 answer
454 views
Can someone edit this for me please??
What female born in the 1800's was full of bravery and determination? What female risked
1 answer
678 views
In our 7th grade Commprehensive science class we are learning about heat. So our project is about how animals adaptions for
3 answers
570 views
The perimeter of a rectangle is 96m.The length is 6m more than twice the width. Find the dimension.
2 answers
1,353 views
..Help me with these problems..
x/4=2x+3/15 21/y-8=3 11u/6=u+14
2 answers
455 views
We have to analyze an analogy for our English class. I remember a very interesting demonstration I saw several years ago--the
1 answer
522 views
How do you determine how to solve y=10x-8,y=1/2x+5
2 answers
472 views
When I type President Bill Clinton in a sentence does president need to be capitalized?
1 answer
453 views
Would someone edit my essay so far please.
So far, I only have the introduction, the first paragraph and the conclusion. I am
1 answer
712 views
summarize the Edict of Milan by Constantine and Liciniu Augustus
1 answer
340 views
summary of how the Edict of Toleration relates to the time in which it was produced?
3 answers
462 views
what is Homer trying to say in The Iliad?
2 answers
510 views
I am writing an argument essay on school uniforms and I need some help writing the introduction.
I am arguing in favor of school
1 answer
858 views
I am writing an essay and looking for some other ways to say however, therefore, and in conclusion.
Thanks!!
1 answer
412 views
what is the meaning of the phrase "as thick as flies around a sorghum mill'
1 answer
584 views
I am responding to this ..
In my high school course in biology, we are required to dissect frogs. I think this is cruel and
3 answers
673 views
Would someone look over my paragraph and let me know if and where I need to make improvements
In Garrett Hardin's "Lifeboat
1 answer
1,091 views
In the figure below, B is the midpoint of , AB = 5x + 2, and AC = 12x – 2.
What is the value of BC?
1 answer
654 views
My teacher told me how to revise my thesis in terms of parallelism. I am not sure what she means or how to do it.
This is my
1 answer
945 views
Directions: Write a concise response putting yourself in the role of "ethicist" and offering advice on how to handle the issue
3 answers
714 views
A vehicle uses 1 tablespoon if gasoline to drive 125 yards. How many miles can the vehicle travel per gallon?
4 answers
895 views
The specific heat of compound A is 0.50 cal/g degrees c. What amount of h eat has been added to 100.0g of compound A if
1 answer
490 views
What type of fallacy is "Never loan a tool to a friend. I did once and never got it back."
3 answers
1,162 views
Pretend the program in Senegal had been reducing infant mortality at a rate
of 11 % per year. How long would it take for infant
1 answer
716 views
A point (labelled P in the figure) is attached to the rim of a disk of radius 0.2 m, which can turn around an axis through its
0 answers
523 views
I'm a junior in high school. I have a horrible 1.2 GPA at the moment. Is it even possible to raise my GPA to at least a 2.8 by
1 answer
1,097 views
A relay race is run along a straight line track 300.0 m long running south to north. 1st runner - starts at the South end of the
1 answer
1,014 views
True or False:
Only at the equator are all the stars visible over the course of the year.
1 answer
471 views
A ladder 8.65 m long leans against the side of a building. If the ladder is inclined at an angle of 63.0° to the horizontal,
1 answer
737 views
How do I find slope of the tangent to the curve y=(e^x+e^-x)/2 at point (0,1)?
0 answers
384 views
How do I find the extreme values for the function y=sinx+cosx on the interval 0<x<2(pi)
1 answer
647 views
How do I find the equation of a tangent of y=cos(2x+(pi)/3) at x=(pi)/4
0 answers
392 views
What would be your response to this article?
In the aftermath of September 11, we have an experienced strong emotions for our
1 answer
505 views
If you have 100 L of methane gas how many liters of carbon dioxide can you produce when you burn the gas?
1 answer
533 views
At a certain temperature and pressure, chlorine molecules have an average velocity of
0.0410 m/s. What is the average velocity of
0 answers
1,285 views
Resolve a 500-N force into two rectangular vector components such that the ratio of their magnitudes is 2:1. Calculate the angle
0 answers
652 views
Nikki is planning a program of recordings by Chicago jazz clarinetist Benny Goodman.The program will include:BG and the Big Tea
1 answer
454 views
Hi I need to solve this question for x, where 0<x<2pi. The question is 2cos^2 x + cos x =1. Then it asks me to wrtie a general
1 answer
497 views
Why are coefficients used in mole ratios instead of subscripts
3 answers
3,273 views
You deposit $500 in an account that pays 3% annual interest. Find the balance after 2 years if the interst is compounded with
2 answers
3,435 views
What value of k will make 3x^2+kx)-4 an even function
2 answers
559 views
a truck drives up a hill with a 15 degree incline. if the truck has a constant speed of 22 m/s, what are the horizontal and
3 answers
3,566 views
the question is.unequal heating and cooling in the atmosphere can result in a what.
1 answer
425 views
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