Questions LLC
Login
or
Sign Up
Ask a New Question
sammy
Questions and answers by visitors named
sammy
Questions (184)
given S=piX(X+2Y) and V=piX^2Y show that dS/dX=pi(X-Y) when V is constant, and
dV/dX=-piX(X-Y)when S is constant. Please HELP!! I
2 answers
818 views
A stereo speaker emits sound waves with a power output of 100W. (a) find the intensity 10.0m from the source. B) find the
1 answer
1,239 views
At rest, a car’s horn sound at the note A(440Hz) The horn is sounded while the car is moving down the street. A bicyclist
1 answer
1,152 views
A uniform electric field of magnitude 250 V/m is directed in the positive x direction. A +12.0-ìC charge moves from the origin
1 answer
1,282 views
what is the relation between a solide and a liquid
Well ice can turn into water. Try reading:
1 answer
676 views
The human eye is sensitive to electromagenetic waves that have wavelengths in the range from 400nm to 700nm (1nm=10^-9m). What
1 answer
484 views
a circle is tangent to the y-axis at y=3 and has one x-intercept at x=1
1. determine the other x-intercept 2. find an equation
2 answers
1,260 views
how is the concept of empathy illustrated and developed in Raymond Carver's "cathedral"
1 answer
453 views
what is the 3 laws of motion?
& what is the law of universal gravitation plz answer thx in advance
3 answers
395 views
do you know why anything to the zero power is one????
thanks in advance
4 answers
298 views
my teacher asked me why a number to the zero power is equal to 1. could you please explain why a number to the zero power equals
4 answers
617 views
how is to triple eight notes played as
3 answers
353 views
wut should i study for a social studies unit test in the 8th grade????
3 answers
1,207 views
We have to complete a study guide for English class but for some reason I can't find any of the answers, can anyone help?
Chapter
1 answer
1,133 views
are chinesse dwarf hamsters rare??????
3 answers
346 views
i wanna try to get my adorable rare chinese dwarf hamster on a bag of pet food or something. everywhere i try to find out stuff
1 answer
359 views
In the short story, "Contents of the Dead Man's Pocket" what is the significance of the title?
1 answer
432 views
How did Indian and European-American cultures affect each others?
1 answer
489 views
a recent poll of 700 peole who work indoors found that 278 of the smoke. If the researchers want to be 98% confident of thier
4 answers
2,336 views
I've got a project due on Monday and i can't find any thing on what I'm supposed to be doing it on. I'm doing it on the chemical
1 answer
460 views
consider the differential equation dy/dx= (y - 1)/ x squared where x not = 0
a) find the particular solution y= f(x) to the
4 answers
5,257 views
a partial moves along the x-axis so that its velocity at time t, for 0< = t = < 6, is given by a differentiable function v whose
1 answer
865 views
solve the equation
15-4x=2(3x+1) 15-4x=6x+1 -4x+6x+1-15 2x-14 x=-14/2=-7
3 answers
1,004 views
I need to create an experiment to separate and identify the components of an unknown heterogeneous mixture and to recover as
4 answers
610 views
Can anyone tell me what a frog intestine nucleus should look like, and what a frog intestine cell membrane should look like?
If
1 answer
407 views
describe how each of the three groups of people in Rupert's land lived.
7 answers
1,030 views
ok earth science what is a solstice and why do we have them?
1 answer
305 views
Hi, I need a title for my essay it is about woman being unhappy with their marriages. I wanted to call it dissatisfying
5 answers
375 views
The ratio of staff to patients at Lakeview is 8 to 7. If total staff plus patients is 1575 people,
how many staff are at
4 answers
883 views
The ratio of staff to patients at Lakeview is 8 to 7. If total staff plus patients is 1575 people,
how many staff are at
3 answers
455 views
simple subject of this sentence
Alex Tanner added a spoonful of vanilla
1 answer
346 views
what solids and liquids used i house
1 answer
446 views
find the number that makes the fractions equivalent 1/2=?
4 answers
391 views
is there a way to do this problem or do i have to just guess and check. because by guessing and checking, i can't find the right
1 answer
360 views
is there a way to do this problem or do i have to just guess and check. because by guessing and checking, i can't find the right
1 answer
436 views
my teacher wants me to look up in the stock market how much was the price per share for Pier 1 Imports on March 31, 2009 and
1 answer
382 views
If a circle has the radius of 6 and it is at the orgin, what are seven points on the circle. I already have four and I need
1 answer
339 views
how do i find the local extrema for this graph.
f(x)= x(e^x)
1 answer
348 views
i have to do this and i have no idea im so confused i know to define but what is a real world example. and what are the fouec's
2 answers
563 views
what is a nobleman
1 answer
303 views
A dry water well is 1.5 m in radius and 5.0 m deep.
In order from lowest to highest, the fifth resonant frequency of this well is
1 answer
383 views
an airline passanger fell asleep halfway to her destination. When she woke up, the distance remaining was half the distance
4 answers
1,454 views
a chemist reacts 8.85g or iron with an excess oh hydrogen chloride to form hydrogen gas and iron(II)chloride.calculate the
3 answers
1,516 views
Describe the basic differences between linear growth (a linear model) and exponential growth (an exponential model).
1 answer
477 views
Give two examples of linear relationships (they can be from the world of business, science, sports, or other areas). Since their
1 answer
408 views
A population of primates in a certain jungle is doubling each year. Describe how the population increases in size as a function
1 answer
410 views
Describe how a mathematical function is created. Be sure to include a discussion of dependent and independent variables, and the
2 answers
584 views
two parallel conductors are located one above the other, with both carrying currents in opposite directions. As a result they
2 answers
570 views
one parent has brown eyes the other has blue eyes, if they have a child what is the percent that it will have brown eyes? blue
1 answer
408 views
For many years, China has been the world's most populous country. However, India has been catching up, with 1132 million in
1 answer
497 views
for radio waves with a frequency of 454.4 nm, determine the wavelength, the energy of a photon and the energy of one mole of
1 answer
367 views
How many molecules of stearic acid are present in 2.00 mL of a 0.25 mM solution of stearic acid?
3 answers
479 views
the ratio of the perimeter of two similar squares is 5 to 4. If the area of the smaller square is 32 square units, what is the
2 answers
567 views
The following scores were recorded on a 100-point examination:
95, 75, 76, 86, 96, 71, 68, 81, 95, 76, 69, 82, 93, 88, 94 Find
2 answers
996 views
which of the numbers are integers?
11/3,9.7,-163,-3/8,1
1 answer
327 views
$3,000,000,000,000,000 how much is this in words?
12 answers
2,401 views
47 divide by 6
1 answer
261 views
which of the following compounds have polar bonds and a net dipole moment?
a) H3COH b) H3CCOCH3 ALSO PLEASE CHECK THIS, RANK THE
4 answers
991 views
A student suspected that an unknown was undergoing a chemical change at its melting point.
Suggest a simple method for testing
4 answers
2,011 views
is cis-1,2-dimethylcyclohexane a conformational isomer of trans-1,2-dimethylcycloehexane? Please explain.
1 answer
418 views
The coefficient of static friction between the 3.0 kg crate and the 31° incline shown below is 0.300. What is the magnitude of
4 answers
1,403 views
Identify the pronoun in the sentence below. Also identify the class and noun function of the pronoun using the abbreviations
3 answers
788 views
PLEASE HELP !!
Identify the pronoun in the sentence below. Also identify the class and noun function of the pronoun using the
5 answers
2,126 views
Adonde vas despues de comer?
3 answers
696 views
Angel of Elevation: You are skiing down a mountain with a vertical height of 1500 feet. The distance from the top of the
3 answers
2,905 views
Projectile Motion: An object is propelled upward at an angle theta, 45 degree < theta <90 degree, to the horizontal with an
1 answer
975 views
Heating an ore of antimony (Sb2S3) in the presence of iron gives the element antimony and iron(II) sulfide.
Sb2S3(s) + 3Fe(s)
2 answers
505 views
If a wheel 211 cm in diameter takes 2.25 s for each revolution, find its period.
T=?s
4 answers
665 views
The standard molar heat of vaporiza-
tion for water is 40.79 kJ/mol. How much energy would be required to vaporize 2.54 ×1010
1 answer
468 views
How much heat is required to heat 0.1 g of
ice at −30 degrees C to steam at 100 degrees C
3 answers
781 views
a car starts from a stopped position at a red light at the end of 30 second its speed is 20 meters per second what is the
4 answers
634 views
Use the graphic to show the sampling distributions of means for the sample from Prison A (n=82) and the sample from Prison B
1 answer
378 views
twelve less than a number is 19. what is the number?
4 answers
1,085 views
The acceleration due to gravity near a planet's surface is known to be 3.20 .
Part A If the escape speed from the planet is 9.54
1 answer
495 views
A regional airline flight consists of two legs with an intermediate stop. The airplane flies 380 due north from airport A to
3 answers
694 views
At the Indianapolis 500 time trials, each car makes four consecutive laps, with its overall or average speed determining that
1 answer
441 views
A bullet traveling horizontally at a speed of 350 hits a board perpendicular to its surface, passes through and emerges on the
1 answer
466 views
Unless otherwise stated, all objects are located near the Earth's surface, where = 9.80 .
A 3000 truck tows a 1500 car by a
1 answer
378 views
During liftoff, a hot-air balloon accelerates upward at a rate of 2.5 . The balloonist drops an object over the side of the
2 answers
582 views
Unless otherwise stated, all objects are located near the Earth's surface, where = 9.80 .
A block of mass 23.0 slides down a
1 answer
396 views
A Superball is dropped from a height of 2.4 and rebounds off the floor to a height of 1.9 .
Part A If the ball is in contact with
1 answer
397 views
Unless otherwise stated, all objects are located near the Earth's surface, where = 9.8 .
A hockey puck with a weight of 0.80 is
3 answers
542 views
A 125 object is taken to a height of 210 above the Earth's surface.
Part A What is the object's mass at this height? Part B What
1 answer
307 views
Unless otherwise stated, all objects are located near the Earth's surface, where = 9.80 .
When a horizontal force of 340 is
1 answer
499 views
Three identical blocks connected by ideal strings are being pulled along a horizontal frictionless surface by a horizontal force
1 answer
1,315 views
Four identical masses of 3.5 each are located at the corners of a square with 1.8 sides.
Part A What is the net force on any one
2 answers
539 views
A boy throws a stone straight upward with an initial speed of 12.0
Part A What maximum height will the stone reach before falling
2 answers
530 views
Ilya and Anya each can run at a speed of 7.80 and walk at a speed of 3.20 . They set off together on a route of length 5.00 .
3 answers
2,760 views
Two separate seismograph stations receive indication of an earthquake in the form of a wave traveling to them in a straight line
1 answer
936 views
A satellite circles the earth in an orbit whose radius is 2.01 times the earth's radius. The earth's mass is 5.98 x 1024 kg, and
2 answers
1,123 views
A 59.0-kg skater is traveling due east at a speed of 1.80 m/s. A 61.0-kg skater is moving due south at a speed of 6.20 m/s. They
1 answer
442 views
what are some winter sports written in french like for example skiing is "ski du faire". please help
6 answers
462 views
Solve negative five-ninths equals negative two v minus one-third for v.
choices four-ninths negative one-eighteenth one-ninth
2 answers
865 views
Any of the ten digits 0 through 9 may be used in a 6-digit code, but no digit may be used more than once. If the first two
3 answers
423 views
A 950-kg race car can drive around an unbanked turn at a maximum speed of 46 m/s without slipping. The turn has a radius of 120
3 answers
2,973 views
A spring lies on a horizontal table, and the left end of the spring is attached to a wall. The other end is connected to a box.
1 answer
1,114 views
find the product to
(2x+4y)(8x+3y)
1 answer
257 views
What is the angular momentum of a figure skater spinning at 2.7rev/s with arms in close to her body, assuming her to be a
1 answer
1,222 views
Jimmy invests 15,000 coins in a bank and
earns simple interest. After 2 years he withdraws all his money from the bank .If the
2 answers
661 views
The Nile perch population explosion has been accompanied by:
a decrease in the dissolved oxygen in the shallowest portions of
1 answer
436 views
Pages
1
2