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Sean
Questions and answers by
Sean
, page 2
Questions (339)
Can someone please answer my question on this paragraph from my physics book regarding basic aerodynamics:
"Now we consider a
1 answer
463 views
14. Which of the following wavelengths will produce standing waves on a string that is 3.5 m long?
a. 1.75 m b. 3.5 m c. 5.0 m d.
3 answers
2,763 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,
3 answers
971 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,
10 answers
737 views
Please help asap
REPETITION- occurs when a line or a sequence of lines appears more than once. ASSONANCE-is the repetition of the
5 answers
586 views
Please help him if you can.
REPETITION- occurs when a line or a sequence of lines appears more than once. ASSONANCE-is the
11 answers
621 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 answer
1,159 views
hi can anyone help me with this paper? this is the basis of the paper
I. Statement of Aristotle’s Metaphysical Proposal A.
2 answers
629 views
A cell has a resting membrane potential of -66 mV and a membrane Cl ion equilibrium potential of -24.0 mV
If a neurotransmitter
1 answer
746 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
4 answers
2,123 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
3 answers
1,656 views
What does d(4) mean? What is it?
3 answers
330 views
What substitution could I use to integrate
a/(a^2 + x^2)^3/2 dx
4 answers
439 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.
3 answers
596 views
List the possible rational roots of the following equation x^4+3x^2-8x+10=0
1 answer
405 views
Which of the fallowing compounds may be Arrhenius acids: CH4, SO2, H2S, Ca3(PO4)2
Can you please explain how you got the answer
1 answer
471 views
Methylamine (CH3NH2) forms hydroxide ions in aqueous solution. Why is methylamine a Brønsted-Lowry base but not an Arrhenius
1 answer
481 views
Which of the fallowing compounds may be Arrhenius acids: CH4, SO2, H2S, Ca3(PO4)2
Can you please explain how you got the answer
3 answers
2,475 views
Methylamine (CH3NH2) forms hydroxide ions in aqueous solution. Why is methylamine a Brønsted-Lowry base but not an Arrhenius
4 answers
3,931 views
What is the wavelength of the radio waves broadcast by an FM radio station with a frequency of 90.5 MHz?
4 answers
1,676 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
2 answers
1,003 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 answer
423 views
Given that y=2x62+px+16 and that y<0 only when 2<x<k, find the value of p and k
1 answer
248 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
2 answers
600 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
2 answers
718 views
What mammal order has the dental formula 205/105?
1 answer
369 views
In a well-written, thoughtful response of at least one page, reflect on one of the stories "The Jilting of Granny Weatherall" or
3 answers
500 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
2 answers
967 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 answer
448 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
2 answers
596 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
3 answers
1,044 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
6 answers
489 views
What happens when magnesium is added to Maleic and Fumaric acid? What gas is released from this reaction? I was also wondering
4 answers
2,100 views
200 centimeters =_?_ meters? 300 centimeters = _?_ meters?
2 answers
814 views
200 centimeters =_?_ meters? 300 centimeters = _?_ meters?
1 answer
316 views
200 centimeters =_?_ meters? 300 centimeters = _?_ meters?
3 answers
407 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
4 answers
1,885 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
2 answers
589 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
9 answers
3,748 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 answer
450 views
20. Supply and Demand Let the supply and demand functions
for butter pecan ice cream be given by p=s (q) = 2/5q and p= d (q) =
1 answer
655 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 answer
329 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 answer
417 views
Why does a balloon burst if you keep on blowing?
2 answers
877 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
3 answers
974 views
2.Using the kinematic equations, prove that if two balls are released simultaneously from a table, one with zero velocity and
3 answers
437 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 answer
449 views
1. What do we mean when we say that the motion is relative?
1 answer
353 views
Is the average speed equal to the magnitude of the average velocity?
1 answer
355 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
6 answers
570 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 answer
459 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
4 answers
920 views
2. State whether each of the following would be apt to produce systematic or random errors in these experiments and explain why:
1 answer
472 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 answer
396 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
5 answers
4,771 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
2 answers
514 views
what is the chronological order of the major legislation that makes up the history of employment law in this country? for each
4 answers
571 views
Your employer believes women are treated as inferiors int he department where he works. He has complained to his supervisor and
1 answer
416 views
How much energy does it take to heat 10ml up 30 degrees celcius in kilocalories
1 answer
366 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
5 answers
7,813 views
Solve SSA:
B=12.1 degrees b= 15 a= 23.9
1 answer
340 views
Solve SSA:
A= 78 degrees a= 30 b= 61
1 answer
402 views
verify the identity:
1- (cos^2x)/(1-sinx)= -sinx
4 answers
1,844 views
Verify the Identity:
(1-cosx)(1+cosx)=sin^2x
2 answers
519 views
Evaluate the definite integral from [0,4] 4x^2 dx, by using its definition as a limit of approximating sums.
First, I solve
4 answers
992 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 answer
325 views
prove
f_{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 answer
384 views
Prove that if p is prime and 1 <= k < p
that p divides p!/(k!(p-k)!) (this is the binomial coefficient for C(p,k))
3 answers
403 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
5 answers
445 views
What is the vertex of y > x^2 - 2x - 3?
1 answer
277 views
What is the axis of symmetry of f(x)= -1/2^2-x+4?
4 answers
375 views
The length of a rectangle is three more than twice its width. The area is 65 m^2. What is its width?
2 answers
577 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 answer
773 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 answer
671 views
1. Are North America, Europe and Asia the 3 continents that the Arctic Circle passes through?
2. Is this correct? The Island of
2 answers
566 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
3 answers
1,454 views
Are Paraguay and Bolivia the two landlocked countries in South America?
2 answers
644 views
Which ocean does most of the International Date Line pass through? I think it is the Pacific is that correct?
3 answers
517 views
What is the difference between a physical map and a political map?
3 answers
1,702 views
What are the capitals of the two states that border both the Mississippi and Ohio Rivers?
7 answers
1,566 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 answer
396 views
How are the Nile,Amazon and Mississippi Rivers alike?
2 answers
530 views
Is this correct? Madison Wisconsin is closer to the equator than the North Pole?
4 answers
1,331 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
2 answers
496 views
An airline will provide accommodations for a minimum of 2000 first class, 1500 business, and 2400 economy class passengers.
3 answers
1,118 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 answer
405 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 answer
405 views
which is more mountainous northern or southern asia?
3 answers
686 views
What is the mass of 4.54 10-2 moles of zinc chloride (ZnCl2)?
1 answer
329 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 answer
455 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!
3 answers
471 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 answer
446 views
30, 29, 7. 29, 32
What is the effect of the outlier on this data set?
3 answers
336 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 answer
1,209 views
Combine the following two integrals into one by sketching the region, then switching the order of integration. (sketch the
2 answers
557 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
2 answers
974 views
Is this correct?
What line of longitude forms the other half of the prime meridian? When joined with the Prime Meridian the 180
2 answers
497 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 answer
601 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
3 answers
1,509 views
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 answer
358 views
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