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2013
July
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July 10, 2013
Use the position equation given below, where s represents the height of the object (in feet), v0 represents the initial velocity
2 answers
asked by
Jack
8,215 views
A 5.00×105-kg subway train is brought to a stop from a speed of
0.500 m/s in 0.400 m by a large spring bumper at the end of its
3 answers
asked by
Anonymous
3,977 views
What is the unit rate? 1500 meters in 6 seconds?
5 answers
asked by
Jose
3,676 views
Three times a number is the same as that number subtracted from 12. What is the number?
A) -6 B) -2 C) 2 D) 3 E) 4 I don't get
1 answer
asked by
Candy
3,362 views
why is a hydrogen molecule (H2) more stable than two individual hydrogen atoms?
2 answers
asked by
Drake
2,763 views
A hollow spherical iron shell floats almost completely when submerged in water. The outer diameter is 50.0cm, and the density of
2 answers
asked by
Hui
2,598 views
Labor rate = $12 per hour
Hours worked = 36 Overhead rate = 125% Retail price of good furnished = $185 Sales tax rate = 7% Total
1 answer
asked by
sarah
2,540 views
A small cylinder rests on a circular turntable that is rotating clockwise at a constant speed. The
cylinder is at a distance of r
1 answer
asked by
tom
2,472 views
Polluted water from a factory flows into a pond. The concentration of pollutant,
c, in the pond at time t minutes is modelled by
1 answer
asked by
FUNCTIONS
2,292 views
The radius of the Earth is approximately 3,960 miles. Find the approximate surface-area-to-volume ratio of the Earth.
A. 0.00025
2 answers
asked by
emma
2,204 views
Calculate the vertical distance an object dropped from rest covers in 12 seconds of free fall. (The unit of measure for distance
2 answers
asked by
Carlos
2,160 views
A 5-kg box is pushed across a horizontal floor by a 20-N force that is angled 30 degrees
below the horizontal. What is the
1 answer
asked by
chelsea
2,134 views
How to prepare a 500ml 0.2M NaOH solution from 2.0M NaOH solution
2 answers
asked by
RICHARD
2,032 views
An olympic sprinter can run 100yd in 9.0s. At the same rate, how long would it take the sprinter to run 100m?
2 answers
asked by
Tracy
2,002 views
1. A control group differs from an experimental group:
A. in the number of test organisms used. B. by the independent variable.
2 answers
asked by
Amy
1,970 views
A sphere has a radius of 3.5 inches.
Volume (to the nearest tenth) = cubic inches The answer that I got was 179.6. It is wrong !
3 answers
asked by
sarah
1,948 views
Your station charges $16.50 for a lubrication job. As a promotion you sell six coupons for lubrication jobs for $90. What
9 answers
asked by
sarah
1,927 views
Find the volume of the solid obtained by rotating the region underneath the graph of f(x) = (x)/sqrt(x^3+1) about the y-axis
1 answer
asked by
Cara
1,900 views
At a certain harbour, the tides cause the ocean surface to rise and fall a distance d(from highest level to lowest level) in
1 answer
asked by
Hui
1,773 views
Number of dinners = 125
Individual portion = 8 oz. Size of can = 32 oz. Number of cans required = I got 31.25 buttt you can't
3 answers
asked by
sarah
1,672 views
A dolphin experiences a force of 320 N [up]
when it jumps out of the water. The acceleration of the dolphin is 2.6 m/s 2 [up].
2 answers
asked by
jake
1,542 views
1. An isotope is an atom of an element that varies in mass number due to variation in the number of:
A. atoms. B. protons. C.
1 answer
asked by
Amy
1,520 views
Loan Amount: $15,000
Method of payment: discount basis Amount of Interest : $650 Term of loan: 1 year Effective Rate of Interest
1 answer
asked by
sarah
1,499 views
Miller (2008) examined the energy drink consumption of college undergraduates and found that males use energy drinks
1 answer
asked by
Janice
1,469 views
Compare and Contrast Describe the difference between saying that two segments are congruent and saying that two segments have
4 answers
asked by
Unknown
1,457 views
can you plz correct it
Howdy comrades! Shouldn’t surprise anyone that we took a beating this year, given the insane pricing
2 answers
asked by
sara
1,430 views
Suppose you want to represent a triangle with sides 12 feet, 16 feet, and 18 feet on a drawing where 1 inch = 2 feet. How long
3 answers
asked by
sarah
1,417 views
When the angle of elevation of the sin55 a tower cast a shadow 20m long. Find the height of the tower
2 answers
asked by
Alexander
1,260 views
The total price of an article is $7.02, including tax. If the tax rate is 8%, what is the retail price of the article?
2 answers
asked by
sarah
1,208 views
Compute the volume of the solid obtained by rotating the region in the first quadrant encolsed by the graphs of the functions y
1 answer
asked by
Cara
1,155 views
Calculate the molar mass of an unknown molecular compound mixed with solid camphor C10H16O, heated and then cooled giving the
1 answer
asked by
Kelly
1,147 views
A rancher has 100 meters of fencing to enclose two adjacent rectangular corrals (see figure). The rancher wants the enclosed
1 answer
asked by
Jack
1,126 views
1. Pseudoscience and nonscience differ in that:
A. nonscience is not valuable and pseudoscience is valuable. B. pseudoscience
1 answer
asked by
Amy
1,092 views
Purchase price of article = $3,000
Down payment = $0 Number of payments = 36 Monthly payment amount=$93.33 True Annual Interest
1 answer
asked by
sarah
1,075 views
A soccer ball is kicked from the ground. After travelling a horizontal distance of 25m, it just passes over a 2m tall fence
1 answer
asked by
Jennifer
1,051 views
Suppose this dude wants to be able to touch the rim of a basketball goal. The rim is 3.048 m above the ground. The dude can
66 answers
asked by
xavier
1,045 views
Calculate delta G of a reaction with equilibrium constant, K= 9.5 x 10^5 at 25 degrees C
1 answer
asked by
Matthew
1,044 views
Explain why the FeCl3-KCI-HCl solution was used as a reference solution. Suggest a procedure you could follow to determine
1 answer
asked by
Alyssa
1,020 views
the temperature in the desert can drop as much as 40'f from noon to midnight .At noon on july 31st the temperature in sahara
3 answers
asked by
LESLIE
1,018 views
A 78-kg parachutist, in the first few seconds
of her jump, accelerates at a rate of 7.4 m/s2 [down]. Calculate the force she
1 answer
asked by
jake
1,003 views
Where can I find some information about this? Most of the class is talking about the costs of health care I would like to do
3 answers
asked by
Mary
966 views
OMG I CAN NOT get this !!!!
Purchase price of article = $495 Down payment = $50 Number of payments = 36 True annual interest rate
0 answers
asked by
sarah
918 views
1. A theory and a hypothesis are different in that:
A. you must have a theory before you can form a hypothesis. B. a theory is
1 answer
asked by
Amy
913 views
The solubility of AgCl (s) is 2.5 x 10^-5 M. calculate the ksp
1 answer
asked by
Mike
890 views
I'm trying to create a vba code that solves this problem: 50 apartment units rent for 600 a month, for each 40 dollar increase
1 answer
asked by
Dom
873 views
Consider a spacecraft whose engines cause it to
accelerate at 5.0 m/s2. (a) What would be the spacecraft’s acceleration at a
2 answers
asked by
jake
867 views
Sorry for the backwards accents I just got a new keyboard, so I don't know how to do the spanish accents yet. I hope a got more
4 answers
asked by
Eri Uchi
852 views
A gas station is giving away free glasses with 5 different designs. What is the probability of collecting all 5 in 15 visits to
0 answers
asked by
Anonymous
845 views
(3/2)(1/3+ 1)
(2+7/4)(7/4)(7/4) ---> / that stands for a fraction
1 answer
asked by
LESLIE
843 views
1. calculate the volume of concentrated HNO3 (68%)that is needed to prepare stock solution 0.25M in 1000mL volumetric flask.
3 answers
asked by
Susan
831 views
3|x-6| >= -2
Is this correct? x>=16/3 x<=20/3
0 answers
asked by
Anonymous
824 views
Solve dy/dx for sin(xy)=1+x^3-y^2
1 answer
asked by
C
815 views
A 53.0-kg person jumps from rest off a 12.0-m-high tower straight down into the water.
Neglect air resistance. She comes to rest
0 answers
asked by
sal
813 views
OMG I CAN NOT get this !!!!
Purchase price of article = $495 Down payment = $50 Number of payments = 36 True annual interest rate
4 answers
asked by
sarah (I DON'Tget this)
806 views
An automobile has a mass of 2150 kg and a velocity of +18 m/s. It makes a rear-end
collision with a stationary car whose mass is
1 answer
asked by
GET DAT
777 views
Steps for drawing an acceleration time graph from a velocity time graph and vice versa?l
Please give me proper steps
0 answers
asked by
Lance
776 views
Calculate the ph of a buffer made from 0.25 m NH4Cl and 0.42 M NH3. Kb= 1.8 x 10^-5
1 answer
asked by
Michelle
750 views
A 33-kg girl is bouncing on a trampoline. During a certain interval after she leaves the
surface of the trampoline, her kinetic
2 answers
asked by
jimmy
749 views
a pc of wire 10feet long is cut into 2 pcs. one piece is bent into the shape of a circle and the other into the shape of a
2 answers
asked by
jr
731 views
Write a polynomial function in standard form with zeros at 6, -4, and 1
1 answer
asked by
lisa
724 views
The length of a table is 4m longer than the width. The are is 77m^2. Find the dimensions of the table.
l=w+4 w=l-4? I'm stuck?
1 answer
asked by
Monica
724 views
A phone cord is 2.85 m long. The cord has a mass of 0.254 kg. A transverse wave pulse is produced by plucking one end of the
0 answers
asked by
Physics Hates Me
723 views
In the drawing, the weight of the block on the table is 380 N and that of the hanging block is
175 N. Ignore all frictional
1 answer
asked by
rex
718 views
what is the theme of mary, lady chudleight's poem "to the Ladies>" what advice does she give to women
5 answers
asked by
Linda
718 views
−3(d − 3) + 5d
1 answer
asked by
alley
713 views
An airplane is flying straight and level at a speed vo = 150 mph and with a constant time rate of increase of speed v' = 20
0 answers
asked by
ROCKY
705 views
A 17000 kg railroad car travels along on a level frictionless track with a constant speed of 23.0 m/s. A 5100 kg additional load
1 answer
asked by
Zach
673 views
to what volume should you dilute 0.100L of a 15M NaOH solution to obtain a 1.0M NaOH solution
1 answer
asked by
veronica
666 views
At 1:00 a.m., a homicide detective found the reading of a corpse's body temperature to be 88 degrees Fahrenheit. One hour later,
0 answers
asked by
Anonymous
653 views
Calculate the molar mass of an unknown molecular compound mixed with solid camphor C10H16O, heated and then cooled giving the
1 answer
asked by
Kelly
647 views
1.Explain why we use the formula AB = |a - b| to find the distance of a segment. Include why you need to subtract and why you
1 answer
asked by
Unknown
646 views
The greatest height to which a man can throw a stone is H.what will be the greatest distance upto which he can throw the stone?
2 answers
asked by
Aanchal
645 views
For every positive integer n, consider all monic polynomials f(x) with integer coefficients, such that for some real number a
x(f
2 answers
asked by
GT
628 views
what happens when lead nitrate react with
potassium hydroxide
2 answers
asked by
abhishek
616 views
why is a hydrogen molecule (H2) more stable than two individual hydrogen atoms?
0 answers
asked by
Drake
614 views
5x-10/5 ?
1 answer
asked by
bill
610 views
In the figure the man hanging upside down is holding a partner who weighs 535 N. Assume
that the partner moves on a circle that
0 answers
asked by
simon
609 views
Calculate the equilibrium constant, k a reaction with delta G= -32.5 kj/mol at 25 degrees C
1 answer
asked by
Malikai
607 views
Leprechauns and Fairy's;
Leprechauns are fairy-like mischievous creatures in Irish folklore. They are in a form of a old man.
6 answers
asked by
Unknown
604 views
1. calculate the volume of concentrated HNO_3 (68%)that is needed to prepare stock solution 0.25M in 1000mL volumetric flask.
1 answer
asked by
khadijah
597 views
A charge of -5.4X10^-7 exerts an upward .250 N force on an unknown charge .260m directly below it. What is the unknown charge?
1 answer
asked by
Anonymous
593 views
A particle moves with a fixed acceleration 3 m/s^2. If its initial velocity is s(0)=0:
a) Find its velocity function. b) How long
1 answer
asked by
Robin
592 views
Steven collected data from 20 college students on their emotional responses to classical music. Students listened to two
1 answer
asked by
carrie
591 views
write a short note of 170-180 words on the travelling experiences of 'James Cook'
4 answers
asked by
leena
589 views
A couple questions here:
1. How do you expect nitriding to change the properties of iron? a) Nitriding makes iron stronger. b)
1 answer
asked by
Sara
588 views
Suppose the solubility of PbCl2 (s) 5.6 x 10^-2 M. Calculate the ksp
1 answer
asked by
Meg
585 views
If the solubility of CaF2 (s) in water is 5.0 x 10^-3. The solubility will be
A. The same in 0.10 M NaF B. less than 0.10 M NaF
1 answer
asked by
Morgan
576 views
I have the problem ((square root of h^2+4h+5)-(square root of 5))/h. I am supposed to be finding the limit as h approaches 0
1 answer
asked by
Nat
571 views
a plumber has 12 1/2 feet of plastic pipe he uses 3 2/8 feet for the sink line and 5 3/4 feet for the washing machine . he needs
1 answer
asked by
LESLIE
571 views
Palmer and teller go to the local ice cream parlor after work that offers 40 flavors of ice cream. Palmer wants a cone with
0 answers
asked by
Anonymous
568 views
Find the probability that a number chosen at random between 1 and 100 is divisible by 2 and 7.
2 answers
asked by
Celina
566 views
Trahen is building a fence that is 6 feet high and 18 feet wide to put around his garden. He has two sizes of boards that he can
1 answer
asked by
GT
563 views
Akber became emperor at only thirteen years of age. Research his reign. What were his greatest achievements as emperor?
2 answers
asked by
leena
559 views
The function y(x,t) = (15cm )cos(pi x -15t pi), with x in meters and t in seconds, describes a wave on taut string. What is the
1 answer
asked by
Hui
558 views
In order to say "This city is in France," we can say "Cette ville est en France." But, why is it that we say "Cette ville est
1 answer
asked by
Anonymous
543 views
Calculate the freezing point of an aqueous solution formed by dissolbing 4.22 g of KCl in 25.00 mL of water. Kf for water is
1 answer
asked by
Kelly
543 views
A subset S of {1,2,…,n} is said to be packed if whenever i,j∈S the number ⌊(i+j)/2⌋ is also in S. Determine how many
4 answers
asked by
lin
536 views
suppose that a detective file in new orleans has 63 current unsolved murders. what is the probability that at least 35 of the
1 answer
asked by
rissa
529 views
A helium ion is at rest in a laboratory when it is put in an electric field of E=2 N/C. An infrared light, of wavelength 2000
0 answers
asked by
GT
522 views
a group of hikers begin their expedition at the grand canyon at an elevation of 56 feet below sea level at 5:00 am .if they
9 answers
asked by
LESLIE
517 views
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