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Sean

Questions (397)

Two copper wires are held under the same tension. If the linear density of the second is twice that of the first, what is the
1. 1 answer
2. 413 views
When 22.7mL of o.500 M H2SO4 is added to 22.7mL of 1.00 M KOH in a coffee-cup calorimeter at 23.50 degrees Celsius, the
1. 1 answer
2. 1,615 views
A surface ship is moving in a straight line (horizontally) at 8km/hr. At the same time, an enemy submarine maintains a position
1. 0 answers
2. 660 views
Is this correct?What line of longitude forms the other half of the prime meridian? When joined with the Prime Meridian the 180
1. 1 answer
2. 563 views
Four solution are prepared and mixed together:Start with 100.0ml of 0.100M BaCl2. Add 50.0ml of 0.100M AgNO3. Add 50.0ml of
1. 1 answer
2. 1,088 views
2. A pool has an area A = 50 m2 and depth h = 2.5 m. The pool is filled with water to the maximum height. An electrical pump is
1. 2 answers
2. 4,764 views
Combine the following two integrals into one by sketching the region, then switching the order of integration. (sketch the
1. 1 answer
2. 662 views
A uniform solid sphere rolls down an incline without slipping. If the linear acceleration of the center of mass of the sphere is
1. 0 answers
2. 1,300 views
30, 29, 7. 29, 32What is the effect of the outlier on this data set?
1. 2 answers
2. 390 views
A data set has one outlier. Why does the mode remain the same when it is calculated with and then without the outlier?
1. 1 answer
2. 499 views
What numbers exactly divide the ff.?111- 522- 505- 2 320- 1 602- 3 732- 189 325- 13 854- 255 168- 729- Thank You!
1. 2 answers
2. 532 views
Create a test program that defines and uses both the default and non-default constructor of a class. Create a class of students
1. 1 answer
2. 540 views
What is the mass of 4.54 10-2 moles of zinc chloride (ZnCl2)?
1. 0 answers
2. 373 views
which is more mountainous northern or southern asia?
1. 2 answers
2. 745 views
what percent of the current number of states had joined the united states by the year 1863?1792 - 15 1817 - 20 1836 - 25 1848 -
1. 1 answer
2. 448 views
This is a project called guess your card. there are 3 people playing and you. We are drawing only numbers from 1 to 9. Each
1. 1 answer
2. 501 views
An airline will provide accommodations for a minimum of 2000 first class, 1500 business, and 2400 economy class passengers.
1. 1 answer
2. 1,208 views
I just want to make sure that I have the correct answers for 2 questions:1. The western part of North America is more
1. 1 answer
2. 556 views
Is this correct? Madison Wisconsin is closer to the equator than the North Pole?
1. 3 answers
2. 1,385 views
How are the Nile,Amazon and Mississippi Rivers alike?
1. 0 answers
2. 598 views
I just want to make sure that this is correct, I reviewed the map and I think that the capitals of the two states that border
1. 1 answer
2. 467 views
What are the capitals of the two states that border both the Mississippi and Ohio Rivers?
1. 7 answers
2. 1,636 views
What is the difference between a physical map and a political map?
1. 1 answer
2. 1,816 views
Which ocean does most of the International Date Line pass through? I think it is the Pacific is that correct?
1. 2 answers
2. 596 views
Are Paraguay and Bolivia the two landlocked countries in South America?
1. 1 answer
2. 721 views
Find the volume of the solid whose base is the semicircle y=sqrt(16−x^2) where −4 is less then or equal to x which is less
1. 1 answer
2. 1,551 views
1. Are North America, Europe and Asia the 3 continents that the Arctic Circle passes through?2. Is this correct? The Island of
1. 1 answer
2. 632 views
During a 12-hour period, the tides in one area of the Bay of Fundy cause the water level to rise to 6 m above average sea level
1. 0 answers
2. 761 views
During a 12-hour period, the tides in one area of the Bay of Fundy cause the water level to rise to 6 m above average sea level
1. 0 answers
2. 871 views
The length of a rectangle is three more than twice its width. The area is 65 m^2. What is its width?
1. 1 answer
2. 639 views
What is the axis of symmetry of f(x)= -1/2^2-x+4?
1. 3 answers
2. 432 views
What is the vertex of y > x^2 - 2x - 3?
1. 1 answer
2. 323 views
Find the solution where x and y are integers to:1/x + 1/y = 1/14 I can use a computer to get a list of solutions: 7, -14 10, -35
1. 4 answers
2. 540 views
Prove that if p is prime and 1 <= k < pthat p divides p!/(k!(p-k)!) (this is the binomial coefficient for C(p,k))
1. 2 answers
2. 467 views
provef_{2n+1} = f_{n+1}^2 + f_n^2 Where f is the fibonacci sequence (so f_1=1, f_2=1, f_3=2, f_4=3, f_5=5, etc)
1. 0 answers
2. 447 views
Show that [x] + [x + 1/2] = [2x] when x is a real number.[x] is the floor function, where [5/2] = 2 and [-5/2] = -3.
1. 1 answer
2. 376 views
Evaluate the definite integral from [0,4] 4x^2 dx, by using its definition as a limit of approximating sums.First, I solve
1. 3 answers
2. 1,118 views
Verify the Identity:(1-cosx)(1+cosx)=sin^2x
1. 1 answer
2. 564 views
verify the identity:1- (cos^2x)/(1-sinx)= -sinx
1. 2 answers
2. 1,906 views
Solve SSA:A= 78 degrees a= 30 b= 61
1. 1 answer
2. 452 views
Solve SSA:B=12.1 degrees b= 15 a= 23.9
1. 1 answer
2. 383 views
A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 353 K. If 25.0 J of work is done
1. 3 answers
2. 7,946 views
How much energy does it take to heat 10ml up 30 degrees celcius in kilocalories
1. 1 answer
2. 415 views
Your employer believes women are treated as inferiors int he department where he works. He has complained to his supervisor and
1. 0 answers
2. 486 views
what is the chronological order of the major legislation that makes up the history of employment law in this country? for each
1. 3 answers
2. 655 views
Mr. Ranier's car uses about 1.6 fluid ounces of gas per minute when the engine is idling. One night, he parked his car but
1. 1 answer
2. 587 views
A bag contains six marbles, of which four are red and two are blue. Suppose two marbles are chosen at random and X represents
1. 2 answers
2. 4,873 views
How do I understand what Quantum Dots are? I read Wikipedia, but the description seems a little over my head? Can I get a
1. 0 answers
2. 452 views
2. State whether each of the following would be apt to produce systematic or random errors in these experiments and explain why:
1. 0 answers
2. 535 views
‎1. A 3kg body moving towards the east with a speed of 5 m/s collides with a 2kg ball originally at rest. After the collision
1. 2 answers
2. 1,015 views
integrate t*(t^2 - 1)^(1/3) dt over (0,3)I substitute u = t^2 - 1 du = 2t dt which leads to integrate (1/2) u^(1/3) du
1. 1 answer
2. 527 views
It would be awesome if you can help me with this :)Two station astronauts each need to perform three 8-hour EVAs during their
1. 5 answers
2. 671 views
A cord passes over a weightless and frictionless pulley. Masses of 200 g and 300 g are attached to the ends of the cord. Find
1. 2 answers
2. 2,847 views
Is the average speed equal to the magnitude of the average velocity?
1. 1 answer
2. 417 views
1. What do we mean when we say that the motion is relative?
1. 1 answer
2. 414 views
abcd is a square, and point e lies along side ab so that ae is three times as long as eb. To the nearest degree, what is measure
1. 0 answers
2. 499 views
2.Using the kinematic equations, prove that if two balls are released simultaneously from a table, one with zero velocity and
1. 2 answers
2. 490 views
What would be the appearance of the speed-time curve if the fallng body where so light that the effect of air friction could not
1. 1 answer
2. 1,033 views
Why does a balloon burst if you keep on blowing?
1. 1 answer
2. 947 views
The number S of ant species in K Cyn can be modeled by the function S = -0.000013E squared + 0.042E - 21 where E is the
1. 0 answers
2. 470 views
X is less than or equal to 4. OR X is greater than or less than 10. Is it a segment, line, or one or more rays?
1. 1 answer
2. 362 views
20. Supply and Demand Let the supply and demand functionsfor butter pecan ice cream be given by p=s (q) = 2/5q and p= d (q) =
1. 0 answers
2. 732 views
A 1.24 kg block is held against a spring of force constant 1.0 104 N/m, compressing it a distance of 0.29 m. How fast is the
1. 1 answer
2. 524 views
A fraction greater than 1/8 and less than 1/4 is in simplest form and denominator is 4 more than its numerator...what is the
1. 1 answer
2. 683 views
A fraction greater than 1/8 and less than 1/4 is in simplest form and denominator is 4 more than its numerator...what is the
1. 8 answers
2. 3,939 views
A duck has a mass of 2.9 kg. As the duck paddles, a force of 0.07 N acts on it in a direction due east. In addition, the current
1. 2 answers
2. 1,986 views
200 centimeters =_?_ meters? 300 centimeters = _?_ meters?
1. 2 answers
2. 451 views
200 centimeters =_?_ meters? 300 centimeters = _?_ meters?
1. 0 answers
2. 362 views
200 centimeters =_?_ meters? 300 centimeters = _?_ meters?
1. 1 answer
2. 854 views
What happens when magnesium is added to Maleic and Fumaric acid? What gas is released from this reaction? I was also wondering
1. 3 answers
2. 2,194 views
I still need help with this please.two knights on horseback start from rest 62 m apart and ride directly toward each other to do
1. 5 answers
2. 566 views
A pellet gun is fired straight downward from the edge of a cliff that is 17 m above the ground. The pellet strikes the ground
1. 2 answers
2. 1,136 views
In a historical movie, two knights on horseback start from rest 62 m apart and ride directly toward each other to do battle. Sir
1. 1 answer
2. 655 views
A golfer rides in a golf cart at an average speed of 3.10 m/s for 23.0 s. She then gets out of the cart and starts walking at an
1. 1 answer
2. 522 views
A boy sledding down a hill accelerates at 2.00 m/s2. If he started from rest, in what distance would he reach a speed of 5.20
1. 1 answer
2. 1,037 views
In a well-written, thoughtful response of at least one page, reflect on one of the stories "The Jilting of Granny Weatherall" or
1. 2 answers
2. 579 views
What mammal order has the dental formula 205/105?
1. 1 answer
2. 423 views
For the burning of propane C3H8(g)+SO2(g)<==>3CO2(g)+4H2O(g) which of the following is true at and temperature:i./\G<0 ii./\S>0
1. 1 answer
2. 780 views
All of the following apply to the reaction A(g)+B(g)<==>C(g) as it is carried out at constant temperature in a rigid container
1. 1 answer
2. 670 views
Given that y=2x62+px+16 and that y<0 only when 2<x<k, find the value of p and k
1. 0 answers
2. 286 views
A 20.0-mL sample of 0.20M sodium acetate is titrated with 0.11M HCl(aq). What is the pH after the addition of 50.0-mL HCl(aq)?
1. 1 answer
2. 482 views
A buffer contains 1.0mol CH3CO2H and 1.0mol CH3CO2^- diluted with water to 1.0L. How many moles of NaOH are required to increase
1. 1 answer
2. 1,084 views
What is the wavelength of the radio waves broadcast by an FM radio station with a frequency of 90.5 MHz?
1. 3 answers
2. 1,846 views
Methylamine (CH3NH2) forms hydroxide ions in aqueous solution. Why is methylamine a Brønsted-Lowry base but not an Arrhenius
1. 1 answer
2. 4,055 views
Which of the fallowing compounds may be Arrhenius acids: CH4, SO2, H2S, Ca3(PO4)2Can you please explain how you got the answer
1. 1 answer
2. 2,567 views
Methylamine (CH3NH2) forms hydroxide ions in aqueous solution. Why is methylamine a Brønsted-Lowry base but not an Arrhenius
1. 0 answers
2. 557 views
Which of the fallowing compounds may be Arrhenius acids: CH4, SO2, H2S, Ca3(PO4)2Can you please explain how you got the answer
1. 0 answers
2. 528 views
List the possible rational roots of the following equation x^4+3x^2-8x+10=0
1. 1 answer
2. 452 views
a red car and a green car, identical except for the color, move toward each other in adjacent lanes and parallel to an x axis.
1. 2 answers
2. 669 views
What substitution could I use to integratea/(a^2 + x^2)^3/2 dx
1. 3 answers
2. 515 views
What does d(4) mean? What is it?
1. 2 answers
2. 387 views
A negative charge -Q is placed inside the cavity of a hollow metal solid. The outside of the solid is grounded.Q: Is there any
1. 2 answers
2. 1,810 views
A sphere of radius 10 cm is charged to a potential of 500V. Calculate the outward pull per unit area.Ans: 1390 * 10^-8 N/m^2
1. 2 answers
2. 2,208 views
A cell has a resting membrane potential of -66 mV and a membrane Cl ion equilibrium potential of -24.0 mVIf a neurotransmitter
1. 0 answers
2. 849 views
hi can anyone help me with this paper? this is the basis of the paperI. Statement of Aristotle’s Metaphysical Proposal A.
1. 1 answer
2. 722 views
If Y1 is a continuous random variable with a uniform distribution of (0,1)And Y2 is a continuous random variable with a uniform
1. 0 answers
2. 1,255 views
Please help him if you can.REPETITION- occurs when a line or a sequence of lines appears more than once. ASSONANCE-is the
1. 11 answers
2. 732 views
Please help asapREPETITION- occurs when a line or a sequence of lines appears more than once. ASSONANCE-is the repetition of the
1. 4 answers
2. 678 views
For any constant c, define the function f_c(x)= x^3+2x^2+cx.(a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0,
1. 9 answers
2. 846 views
For any constant c, define the function f_c(x)= x^3+2x^2+cx.(a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0,
1. 2 answers
2. 1,055 views

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