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October 25, 2009
Suppose that in the same Atwood setup another string is attached to the bottom of m1 and a constant force f is applied,
2 answers
asked by
Rachel
5,166 views
In Figure (a), a block of mass m lies on a horizontal frictionless surface and is attached to one end of a horizontal spring
3 answers
asked by
Jin
4,839 views
A quantity of N2 occupies a volume of 1 L at 290 K and 1.5 atm. The gas expands to a volume of 2.7 L as the result of a change
2 answers
asked by
.
3,192 views
Are these correct?
1. What is the formula mass for Mg(ClO3)2? mg=24.31 cl=35.45 x 2 = 70.9 o=16 x 6 = 96 24.31+70.9+96=
2 answers
asked by
Mattt K
2,382 views
a 49 newton rockis lifted 2meters in 5 seconds
How much work is done? b what power is used?
3 answers
asked by
Barb
2,110 views
For the reaction: H2(g) + I2(g) 2HI(g) , Kc = 12.3 at some temperature T. If [H2] = [I2] = [HI] = 3.21 x 10-3 M at this
1 answer
asked by
Jerry
2,092 views
Which of the following will not increase the rate of a reaction? a. using a catalyst b.increasing the temperature c. decreasing
1 answer
asked by
Robert
1,935 views
The equilibrium constant (Kc) for the gas phase reaction 2 NH3 N2 + 3 H2 is 3.0 x 10-3 at some temperature. The reaction is
3 answers
asked by
James
1,916 views
a teacher pushed a 98 newton desk acrosss a floor for a distance of 5 meters she exerted a horizontal force of 20 newton How
2 answers
asked by
Barb
1,837 views
maximum and minimum of y = cos(x) + sin (x)on the interval [0,2pi]
5 answers
asked by
Mark
1,836 views
a student wo weighs 500 newtons climbed the stairs from the first floor to the third floor 15 meters above in 20 seconds
A.how
1 answer
asked by
Barb
1,698 views
a womans lifts a 300 newton child a distance of 1.5 meters and carries her forward for 6.5meters.
how much work does the woman do
2 answers
asked by
Barb
1,499 views
A certain string can withstand a maximum tension of 40 N without breaking. A child ties a 0.37 kg stone to one end and, holding
1 answer
asked by
umarah
1,486 views
Compare and contrast the various sources of energy.
---my teacher told me to do renewable and non-renewable. this is what i got:
5 answers
asked by
mysterychicken
1,424 views
a racing dog is initially running at 10.0 m/s, but is slowing down. (a) How fast is the dog moving when its kinetic energy has
1 answer
asked by
sarah
1,311 views
A sample of N2O effuses from a container in 48 seconds. How long would it take the same amount of gaseous I2 to effuse from the
1 answer
asked by
Kyle
1,308 views
In spite of factors that tend to restrict cell size, some plant cells are very large. For example, some marine algae have cells
2 answers
asked by
bubba
1,253 views
A golf ball of mass 4.6 g is struck by a golf club at a speed of 50 m/s. The ball has inital velocity ,v, in metres per second,
1 answer
asked by
Anonymous
1,237 views
A techer pushed a 98 newton desk across a floor for a distance of 5 meters she exerted a horizontal force of 20 newtons. how
3 answers
asked by
Barb
1,229 views
1. Checkpoint: Population Size
• View the Ch. 7 Alien Invasion VLR located under the Week Four Materials section of your
2 answers
asked by
m
1,215 views
A delicatessen serves 13 kinds of sandwiches and 5 kinds of chips. How many different sandwiches and chip lunches can they make
0 answers
asked by
Rmz
1,214 views
Hi there I need help on my calculus homework and this week, we were working on partial derivative. I don't know how to approach
1 answer
asked by
shylo
1,174 views
When the Supreme Court rules on an appeal from a state court, what restriction applies to the court's ruling?
2 answers
asked by
Jennifer
1,165 views
a box pushed across the floor for a dis tance of 5 meters with a force of 50 newtons in 5 second
how much work is done? what is
0 answers
asked by
sherrie
1,157 views
List the possible rational roots of each equation. Then determine the rational roots.
6x^4+35x^3-x^2-7x-1 The answer in the back
0 answers
asked by
Carl
1,138 views
It is a 5 digit no. ,palindrome,divisible by 4,10 digit is cube root of 1 digit,product of 100 digit and 1 digit is 54 ,sum of
1 answer
asked by
Pooja
1,123 views
I have separated the paragraphs. Can you please tell me if I have missed anything, and how I can make it shorter if it seems too
3 answers
asked by
Sara
1,101 views
What are the disadvantages of using coal as an energy source? what are the advantages and disadvantages of using oil as an
1 answer
asked by
mysterychicken
1,100 views
Hi there I need help with one of the problem from my homework package. This week for my calculus class, we were learning how to
0 answers
asked by
shylo
1,095 views
a mr wikinson backpack weighs 45 pounds if there are 453.7grams in one pound what is the mass of his backpack?
1 answer
asked by
keria
1,082 views
The parachute on a race car of weight 8850 N opens at the end of a quarter-mile run when the car is traveling at 31 m/s. What
2 answers
asked by
Melody
1,019 views
A generator produces electrical power, P, in watts, according to the function:
P(R)= 120/ (0.4 + R)^2 where R is the resistance,
0 answers
asked by
Anonymous
1,006 views
Ozone is depleted in the stratosphere by chlorine from CF3Cl according to the following set of equations:
CF3Cl + UV Light --->
2 answers
asked by
Kyle
991 views
Which of the following nitrogen oxide molecules and related ions is/are diamagnetic and has/have more than two charge-minimized
3 answers
asked by
Dave
962 views
Draw Lewis dot structures, including appropriate resonance forms, and assign formal charges
to each of those structures, for the
1 answer
asked by
Emma
953 views
Determine the seating capacity of an auditorium with 10 rows of seats if there are 10 seats in the first row, 16 seats in the
1 answer
asked by
Ellie
947 views
FeS + HCl yields FeCl2 + H2S
Balanced Equation & Type of Reaction
0 answers
asked by
Alex
867 views
A 0.24-kg object traveling rightward at 3.5 m/s collides head-on and elastically with a 0.40-kg object traveling leftward at 2.1
2 answers
asked by
Sandhu
854 views
Most of us tend to accept the opinions of the authority because we believe that those who are in the position of authority are
5 answers
asked by
Tiffany
838 views
A sign is supported by a cable and a horizontal beam.The beam has a length 1.4 m and a uniform mass of12 kg.a) If the cable is
4 answers
asked by
Sandhu
821 views
a student who weighs 500 newtons climbed the stairs frim the first fkoor to the third floor 15 meters above in 20 second
How much
0 answers
asked by
gary
815 views
I'm writing a paper about sedimentary rocks. My goal is 700 words but I'm stuck. can someone read this and let me know if I'm
7 answers
asked by
pooleboy
815 views
If a term paper consisted 42 pages,each containing 40 lines of 100 symbols each (counting each space as symbol)was to be encoded
2 answers
asked by
Ryan
804 views
A rectangle has perimeter 64cm and area 23cm squared. Solve the following system of equations to find the rectangle's
1 answer
asked by
Anonymous
765 views
“If Mary and Tom are classmates, then they go to the same school.”
Which statement below is logically equivalent? If Mary and
1 answer
asked by
Anonymous
737 views
[HELP WITH PART D PLEASE SCROLL DOWN] A 920 kg car is pulling a 300 kg trailer. Together, the car and trailer have an
4 answers
asked by
Ryan
732 views
How do you factor 1/2x^3-x so that the zeroes can be found? Thank you-Adriana
3 answers
asked by
Adriana
722 views
You own a bond that has an 8 percent coupon and matures 8 years from now. You purchased this bond at par value when it was
0 answers
asked by
Anonymous
720 views
Suppose that in the same Atwood setup another string is attached to the bottom of m1 and a constant force f is applied,
1 answer
asked by
TPAIN
717 views
A 5 kg block is pushed up a 37 degree incline given an initial
velocity of 2 m/s at the base of a frictionless plane. The maximum
1 answer
asked by
Lindsey
716 views
Write a 700-word paper in APA format that provides an overview of how plate tectonics affects sedimentation. Answer the
2 answers
asked by
Davey
698 views
A few practice ?'s on my study guide that I'm stuck on.
Put these in the correct sequence for phagocytosis? chemotaxis,
0 answers
asked by
Help w/ study guide!
688 views
•Writing Assignment: prepare for this assignment by reading Chapter 8 Read all three scenarios and identify which blood
2 answers
asked by
bobbi
686 views
in questions 1 and 2, write an equation of the line in slope-intercept form.
1. the slope is -4/3; the y-intercept is -2. 2. the
1 answer
asked by
rachel
681 views
Why does water solubility of monofunctional, polar organic compounds rapidly diminish above four or five carbons?
1 answer
asked by
Cerise
669 views
A 1 g grasshopper and a 0.1 g cricket leap vertically into the air with the same initial speed in the absence of air which of
2 answers
asked by
Adam
668 views
What is the difference between memoirs and biographies????????????
1 answer
asked by
Sumaiya
664 views
I would be grateful if someone could please review these and tell me if I am correct. Thanks!
1.What is the empirical formula for
1 answer
asked by
Mattt K
658 views
Methanol boils at 65Celcius. The vapor pressure of ethanol at 65Celcius is at 410 torr. for a mixture containing .200 mol of
0 answers
asked by
Cerise
651 views
3q2+5q+300
Find the marginal and average cost functions. Show that AC is at its minimum when q = 10 and that MC = AC at this
1 answer
asked by
cb
639 views
Which statement is logically equivalent to ~a �¨ b?
a �¨ ~b b �¨ ~a ~b �¨ a ~b �¨ ~a
1 answer
asked by
Anonymous
631 views
SO2 can be drawn as a molecule which satisfies the octet rule (using one double bond and
a single bond) or as an expanded octet
2 answers
asked by
Adam
626 views
EC= eye color
RFL= ring finger longer RFNL= ring finger not longer EC RFL RFNL Total Blue 20 17 37 Brown 27 22 49 Green 15 7 22
1 answer
asked by
CM
625 views
(a).A 220-kg sleigh is pulled by one horse at constant velocity for 0.90 km on a snowy, horizontal surface, the coefficient of
1 answer
asked by
Sandhu
621 views
Using Literary Elements, Can You Compare And Contrast Abigail Adams' Letter To Her Daughter With Jean De Crevecoeur's Essay From
2 answers
asked by
Anonymous
621 views
What is the coefficient for H2O when the following equation is balanced: Mg3N2 + H2O → Mg(OH)2 + NH3?
When the following
1 answer
asked by
Andrea
620 views
3.Describe 3 events that happened during these years (Reign of Terror).
The Reign of Terror was a period of violence in the
1 answer
asked by
Sara
619 views
An object travels 6m in the first second of travel, 6m again durning the second second of travel, and 6m again druning the third
2 answers
asked by
Caitlyn
613 views
Today, Mark invested $5,000 into an account that guarantees 7.50% p.a., compounded monthly and Madonna invested $5,000 into
1 answer
asked by
tiff
610 views
a 715 N person walks up three flights of stairs, covering a total vertical distance of 10.5 m. (a) If, as is typical, only 20%
3 answers
asked by
physics student
610 views
Why is pure water neutral?
I think its because its neither acidic nor alkaline hence it has a PH of exactly 7 due to the presence
4 answers
asked by
Anonymous
609 views
Who am I? If you multiply me by 6 and subtract 11, the result is 73.
2 answers
asked by
Rmz
604 views
6. Prove that f(x) = (3/4)x^4 + 2 and g(x) = (4sqrt(108x-216))/3 are inverses.
I know you solve it with composite functions
3 answers
asked by
Emily
603 views
a fisherman reels in 12.0 m of line while landing a fish, using a constant forward pull of 25.0 N. How much work does the
1 answer
asked by
steve
603 views
A piano whose mass is 106 kg is being lifted at a steady speed from ground level straight up to an apartment 12.4m above the
2 answers
asked by
lawless
598 views
What factors determine whether a case will be tried in a state court or a federal court?
1 answer
asked by
Jennifer
592 views
6.What event concluded the Reign of Terror?
Robespierre's death concluded the reign of terror. Oppositon leaders united their
4 answers
asked by
Sara
591 views
please could someone hep me. for my assignment i need to write a newspaper article about cane toads in australia.
i need to
1 answer
asked by
Scooter
583 views
Trying to summarize the duties of the public duties of the physician as specified by law. I cant figure out how to put all that
1 answer
asked by
tamara jones
575 views
Mr. Smith has 17 18-cent notebooks and 7-cent pencils. The notebooks and pencils are worth $1.85. How many notebooks and how
3 answers
asked by
Anonymous
573 views
Why adding only characters to a text file may increase the file's size by several hundred bytes and at other times may not
1 answer
asked by
Ryan
570 views
A roller coaster ride includes a circular loop with radius R = 13.1 m. What minimum speed must the car have at the top to stay
1 answer
asked by
A
564 views
A generator produces electrical power, P, in watts, according to the function:
P(R)= 120/ (0.4 + R)^2 where R is the resistance,
1 answer
asked by
Anonymous
563 views
thankyou for the websites you found the last one was perfect it helped alot thankyou again :)
0 answers
asked by
Scooter
561 views
do you agree with what the writer has said in "the story of an hour" by kate chopin. why or why not.
2 answers
asked by
carla
558 views
write an equation of the line that is parallel to the given line and passes through the given point.
y=-4x-7, (5,-3) y=-2/3x+4,
1 answer
asked by
<3
554 views
1. Walking in the park, I saw Mina.
2. When I walked in the park, I saw Mina. 3. When I was walking in the park, I saw Mina.
2 answers
asked by
Tom
551 views
what would the graph of this look like
xy<0
1 answer
asked by
lyne
549 views
Arectangle has perimeter 64cm and area 23cmsquared. Solve the following system of equations to find the rectangle's dimensions.
4 answers
asked by
Ariza
545 views
what does it mean to have a constant acceleration does that mean that a= 0 or a=x?
I particularly need help with::::>> Suppose
2 answers
asked by
Brit
541 views
Richard's age in 7 years will be twice what it was 19 years ago. How old is Richard now?
2 answers
asked by
Bob roboto
539 views
The number of dogs and chickens add up to 14. The number of legs between them is 36. How many dogs and how many chickens are on
0 answers
asked by
Rmz
537 views
A vector field with a vector potential has zero flux through every closed surface in its domain. it is observed that although
0 answers
asked by
Tom
532 views
You have decided to buy a car that costs $34,100. The dealer offers you a 5-year loan with monthly
payments of $695 per month.
0 answers
asked by
London
531 views
For my past post, you gave me this whole stuff for plagarism, ect. and i agree i needed to put them in my own words but this is
2 answers
asked by
mysterychicken
528 views
Ok so I have to find a vertical asymptote with denominator 3x^3-x-1. So then the denominator must not equal zero. But i just
2 answers
asked by
Nikita
526 views
Can someone help with the following: I know how to get the MC and AC; however I'm not sure on the algabraic part.
Given the
2 answers
asked by
cb
525 views
My questions keep getting cut off. What am I doing wrong? Here is my question again. Thanks for the help. What is the empirical
2 answers
asked by
Mattt K
524 views
ok, I think this is called factoring binomials...
how do you factor 2x^2+3x+1 the example on the page just says: 2x^2+7x+6 the
2 answers
asked by
Matty
524 views
How fast would the Earth have to spin to have the person at 24.1° northern geographical latitude float apparently weightlessly
1 answer
asked by
Baba
524 views
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