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2012
April
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April 30, 2012
Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 11.0 cm and
8 answers
asked by
Anonymous
26,844 views
SEQUENCE OF EVENTS
THE SEQUENCE OF EVENTS IN A STORY IS THE ORDER IN WHICH EVENTS HAPPEN. clue words, such as first,next,then,
8 answers
asked by
dw
5,826 views
a 1.5kg cannon is mounted on top of a 2.0kg cart and loaded with a 52.7 gram ball. The cannon, car, and ball are moving forward
1 answer
asked by
Sarah
4,845 views
Gil rolls a number cube 78 times. How many times can he expect to roll an odd number greater than 1??
9 answers
asked by
Jessica
4,840 views
Terry, Barry, Larry, Jerry, and Perry are lined up in these positions midway through a track meet: Terry is 20 meters behind
4 answers
asked by
Anonymous
4,684 views
An astronaut on the Moon attaches a small brass ball to a 1.00- m length of string and makes a simple pendulum. She times 15
2 answers
asked by
Kristie
4,639 views
What beat frequencies are possible with tuning forks of frequencies 258, 263, and 267 Hz?
3 answers
asked by
Jim
4,260 views
The Butterfly - Pavel Friedmann
He was the last. Truly the last. Such yellowness was bitter and blinding Like the sun’s tear
6 answers
asked by
bkue
4,086 views
which of the following combinations is not suitable for making a buffer?
h3po4 and nah2po4 na2co3 and nahco3 nh4cl and nh3
1 answer
asked by
Cayla
3,988 views
1. Which resource makes up a quarter of Chile's exports? (1 point)fruit
fish copper silver 2. Chilean produce is free of many
36 answers
asked by
kjbjhk
3,743 views
A balloon has a circumference of 22in. Use the circumference to approximate the surface area of the balloon to the nearset
3 answers
asked by
lilman
3,743 views
1. In the 1950s, in order to develop Brazil's interior, the government moved the capital from Rio de Janeiro and built a new one
37 answers
asked by
hsk
3,669 views
You owe $1,350.00 on a credit card with a 14.25% APR. You pay $300.00 at the beginning of the month. How much interest do you
2 answers
asked by
Hanna
3,326 views
A 0.5224g sample of an unknown monoprotic acid was titrated with 0.0998M of NaOH. The equivalence point of the titration occurs
2 answers
asked by
Confused
3,323 views
What is the slope of the line described by the equation below?
y - 9 = -2(x - 8)
2 answers
asked by
Anonymous
3,007 views
Luis has $150,000 in his retirement account at his present company. Because he is assuming a position with another company, Luis
3 answers
asked by
Terri
2,795 views
two planets of masses "m" and "M" respectively. have a center to center separation of "R".At what distance from the center of
2 answers
asked by
m sani
2,485 views
A student reacts benzene,C6H6. with bromine. Br2. in an attempt to prepare bromobenzene.
C6HSBr : C6H6 + Brl·---·-_·_-> C6HSBr
2 answers
asked by
Lareese
2,434 views
Imagine a Rip van Winkle type who lives in the mountains. Just before going to sleep, he yells, "WAKE UP", and the sound echoes
3 answers
asked by
Jim
2,431 views
An archer locks a 0.20kg arrow on a bowstring. Then the archer exerts an average force of 110N to draw the string back 0.60 m .
1 answer
asked by
Melissa
2,287 views
translate the phrase into a mathematical expression and then simplify.
nine times a number subtract twice the same number
14 answers
asked by
deb
2,115 views
Rank the beat frequency from highest to lowest for the following pairs of sounds:a. 876 Hz, 871 Hz b. 786 Hz, 784 Hz c. 721 Hz,
1 answer
asked by
Jim
2,097 views
Evaluate the expression 8a + b for the given variable.
b = 3a – 2
1 answer
asked by
eric
2,057 views
Vanessa pushes a box with 50 N of force. The box accelerates 2 m/s2 for 10 seconds. What is the mass of the box?
3 answers
asked by
Jessica
1,999 views
The following data represent the number of flash drives sold per day at a local computer shop and their prices.
Price (x) Units
3 answers
asked by
Ruth
1,960 views
A stone has a mass of 3.40 g and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static
1 answer
asked by
Anonymous
1,908 views
a 6 foot tall man is standing near a tree on level ground .if the man shadow 4 feet long .how many feet tall is the tree?
2 answers
asked by
diamond
1,894 views
The voltaic cell reaction NiO2(s)+4H^+(aq)+ 2Ag(s)-->Ni^2+(aq)+2H20(l)+ 2Ag^+ has a E cell= +2.48V. What will the cell potential
3 answers
asked by
Anonymous
1,861 views
Consider the area between the graphs x+1y=12 and x+8=y2 . This area can be computed in two different ways using integrals
First
1 answer
asked by
jasmineT
1,858 views
Given cos x=2/3 and 3pi/2<x<2pi, find the exact value of cos2x?
2 answers
asked by
Yadira
1,741 views
write an explicit formula for the sequence of 1/2, 3/7, 1/3, 5/19, 3/14
1 answer
asked by
jess
1,724 views
A particle moves on the x-axis so that its velocity at any time t is given by v(t) = sin 2t. At t = 0, the particle is at the
1 answer
asked by
Naseba
1,590 views
A manufacturer wants to increase the absorption capacity of a sponge. Based on past data, the average sponge could absorb 3.5
1 answer
asked by
Tom
1,473 views
2C6H6(l) + 15O2 (g) ---> 12CO2 (g) + 6H2 (l)
Calculate the deltaHrxn using standard heats of formations from Appendix C, paying
1 answer
asked by
Julio
1,467 views
Suppose you make a tape recording of a male voice singing slowly and playing it back at double speed.
What will happen to the
1 answer
asked by
AAA
1,463 views
Write ksp for ba3(po4)2 in an aqueous solution
1 answer
asked by
Tina
1,378 views
0.15g of sodium hydroxide (NaOH) pellets are dissolved in water to make 3.0L of solution. What is the pH of this solution?
1 answer
asked by
Rose M
1,376 views
E6-9 (a,b)
Tiger Golf Accessories sells golf shoes, gloves, and a laser-guided range-finder that measures distance. Shown below
0 answers
asked by
Dean
1,363 views
A chair lift takes skiers to the top of a mountain that is 320 m high. The average mass of skiers complete with equipment is 85
1 answer
asked by
Melissa
1,321 views
A. Explain the concept of NET MARKETING CONTRIBTION.
B. What fundamental marketing strategies can a business pursue to grow
0 answers
asked by
Donny
1,283 views
At a certain distance from the center of the Earth, a 4.00-kg object has a weight of 1.95 N. Calculate this distance.
1 answer
asked by
Stella
1,271 views
How many grams of formic acid, HCOOH, must be added to 0.270L of 0.180M sodium formate, HCOONa, to yield a buffer solution with
3 answers
asked by
Cayla
1,257 views
Which radioactive emanations have a charge of -1?
beta particles alpha particles gamma rays neutrons
3 answers
asked by
david
1,244 views
Spencer Company manufactures and sells three products. Relevant per unit data concerning each product are given below.
Product A
0 answers
asked by
Dean
1,219 views
a 1.00g sample of water is allowed to vaporize completely in a 10.0L container. What is the pressure of the water vapor at 150
2 answers
asked by
carter
1,204 views
calculate the molarity of an acetic acid solution if 39.96 mL of the solution is needed to neutralize 136mL of 1.41 M sodium
1 answer
asked by
Randy
1,199 views
which of the following is not spontaneous process at 25 degrees celsius and 1 atm pressure?
ice melting iron rusting salt
1 answer
asked by
martina
1,177 views
if 180 grams of ice at -123 degrees celsius is heated to steam at 125 degrees celsius, how much energy would it take?
1 answer
asked by
Anonymous
1,172 views
An AM radio station broadcasts at 1060 kHz. Calculate the wavelength of the corresponding radio waves. How do I calculate this?
1 answer
asked by
Liz
1,170 views
Name two institutions/community organizations that are involved in supporting or giving redress to environmental or human
3 answers
asked by
Mdhabazi
1,165 views
How do value judgments cloud discussions of the legitimacy of violence in a political system
1 answer
asked by
Georgia
1,161 views
name two institutions/community organizations that are involved in supporting or giving redress to these disesters . explain how
5 answers
asked by
shrevikah
1,097 views
You are interested in opening a SNOW BIZ snow cone shack. The SNOW BIZ company who wants to franchise this business to you has
1 answer
asked by
Donny
1,094 views
List all the possible rational zeros of
f(x)=3x^3-x^2+2x=2. Please help me. I don't understand how to do this. Can someone show
1 answer
asked by
Tabby
1,091 views
what is the art and craft of communicating appropriately and persuasively, it is concerned with the way in which written, oral,
2 answers
asked by
Anonymous
1,085 views
At rest, the human heart beats once every second. At the strongest part of the
beat, a person's blood pressure peaks at 120mmHg.
1 answer
asked by
Dave
1,072 views
calculate the average percent
1970 1980 1990 2000 17.2 17.3 17.1 16.6 do you add them all together then divide by 4
3 answers
asked by
deb
1,035 views
A town is planning on using the water flowing through a river at a rate of 4.9 106 kg/s to carry away the heat from a new power
2 answers
asked by
opp
1,028 views
The school superintendent would like to estimate the proportion of adults in the country that are in favor of an increased
0 answers
asked by
Kim
1,016 views
a random sample of 20 prices for summer sleeping bags was taken with a sample mean $83.75 and a sample standard deviation of
0 answers
asked by
Anonymous
1,014 views
In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community
2 answers
asked by
Phuti manaka
1,014 views
Why does a government place price ceilings, such as rent control, on some "essential" goods?
I choose C am I right? A. to prevent
3 answers
asked by
Anonymous
1,012 views
mark has 48 marbles.5/12 of them are blue and 1/2 of them are yellow.how many more yellow marbles than blue marbles does he
2 answers
asked by
lidia
1,005 views
A juggler has a set of balls that she can toss into the air. If it takes her 0.2 s to transfer a ball from the receiving hand to
0 answers
asked by
Bob
977 views
A baseball player reaches base 35% of the time. How many times can he expect to reach base in 850 at-bats?
2 answers
asked by
Jessica
974 views
Is it true that all radio waves are faster than all sound waves—no exceptions? A) False always.B) True, in most common
1 answer
asked by
Kristie
968 views
Identify one environmental factor that cause ill health,accidents,crises, and disasters within South Africa
1 answer
asked by
Lwazi
956 views
Given that ΔGrxn>0, how do you explain that some of the borax actually dissolves at 25deg C?
0 answers
asked by
Jematormal91
945 views
A rectangle with sides parallel to the coordinate axes is inscribed in
the ellipse x2/a2 + y2/b2 = 1: Find the largest possible
0 answers
asked by
pairika
937 views
3. Your neighbor puts tiger on his flat roof shed. You and another neighbor argue over the ht of the tiger. At a distance of 80
0 answers
asked by
Nolan
936 views
Determine the volume of nitrogen gas at a pressure of 3.00 atm if it had a volume of 400.0 mL at STP.
1 answer
asked by
Maria
930 views
“How would you describe your own physical health at this time? Would you say physical health is—excellent, good, only fair,
1 answer
asked by
Eric
930 views
Were these events that lead to political and social change in the 1960s until the 1980s?
-Watergate -Iran Contra Affair -Vietnam
1 answer
asked by
Rebecca
928 views
Neat pure ethanol C2H5OH has an enthalpy of vaporization of 39.3 Kj/mol, and a vapor pressure of 0.308 atm at 50 C. What is the
1 answer
asked by
Mima
925 views
Na₂CO₃ (s) + 2HCL (ag) → 2NaCl (ag) + CO₂ + H₂O (l)
If 4.25g of sodium carbonate is reacted completely with excess
1 answer
asked by
Shelby
912 views
A particle of mass 5 kg is being towed at a constant speed of 6 m/s on a rough horizontal plane with coefficient of friction
0 answers
asked by
Jat
911 views
Covered Bridges
How did covered bridges help travelers?
1 answer
asked by
Laruen
909 views
Imagen Arquitectonica of Tijuana, Mexico is contemplating a major change in its cost structure. Currently, all of its drafting
0 answers
asked by
Dean
908 views
a) Compute the future value of $1000 at 10% compounded annually for 6 years.
1 answer
asked by
Bill A
903 views
a young Colorado spruce tree is growing at a rate of 20 cm per year. Currently, it is 244 cm tall. A 300 cm tall white spruce
4 answers
asked by
Hanu
902 views
Two friends are at the local high school track, a circle measuring 440 yards for one complete lap. Abe can jog at 8.2 miles per
2 answers
asked by
Bob
900 views
Solve the following system using substitution. Write the solution as an ordered pair, (a, b).
b = a – 4 2a – 3b = -2
3 answers
asked by
Jorge
892 views
How many grams of oxygen are collected in a reaction where 245 mL of oxygen gas is collected over water at a temperature of 25
1 answer
asked by
raul
891 views
after an ice show, Michelle helps clear the props from the ice. Standing in her skates next to a potted artifical tree, she
1 answer
asked by
Sarah
890 views
There are 2 red cars and 3 blue cars. The 5 cars contain a total of 12 people. No car has more than 4 people. Every car has at
4 answers
asked by
Anonymous
890 views
How many grams of formic acid, HCOOH, must be added to 0.270L of 0.180M sodium formate, HCOONa, to yield a buffer solution with
1 answer
asked by
Kev
886 views
The following data represent the number of flash drives sold per day at a local computer shop and their prices.
Price (x) Units
0 answers
asked by
Paul
884 views
pepi's pizza has a choice of thin crust or thick crust. The available toppings are mushrooms, onions, pepperoni and sausage.
2 answers
asked by
Ele
878 views
In an unusual return to space, Astronaut Sally Ride is conducting repair work on the Hubble Space telescope. She throws a hammer
1 answer
asked by
Sarah
877 views
Give example of each function:
(a) degree 2; two zeros, the function decreases then increases (b) degree 3; three zeros, the
0 answers
asked by
tina
872 views
Write the equation of the hyperbola for which the length of the transverse axis is 6 units long anf the foci are at (0,5) and
1 answer
asked by
Tabby
872 views
50.0mL of 0.01M Ba(OH)2 is added to 150.0mL of 0.01M HNO3. What is the new pH of the solution?
1 answer
asked by
Zac
849 views
in segment pt, l is the midpoint of pa and a is the midpoint of pn. if pn = 17 and la = 3.5, what is the length of nt?
1 answer
asked by
Corey
843 views
Write and solve the differential equation that models the verbal statement. Using k for the constant of proportionality
The rate
0 answers
asked by
ella
817 views
If you double the frequency of sound, you also double which of the following?A) All of these.B) None of these.C) wavelength.D)
2 answers
asked by
Kristie
809 views
The following data represent the number of flash drives sold per day at a local computer shop and their prices.
Price (x) Units
1 answer
asked by
Ruth
808 views
2. A spin balancer rotates the wheel of the car at 480 revolutions per min. if the diameter of the wheel is 26 in what road
0 answers
asked by
Nolan
787 views
The volume of grains in a silo at a particular time (measured in hours) is given
by V (t) = 4t(3-t)m^3 Find the rate of change of
1 answer
asked by
Dave
776 views
which will become a buffer in 1L of H2O?
a) 0.3 mole KOH & 0.3 mole HBr b) 0.5 mole NH3 & 0.5 mole HCl c) 0.2 mole NaCl & 0.3
1 answer
asked by
Zac
769 views
A uranium nucleus 238U may stay in one piece
for billions of years, but sooner or later it de- cays into an particle of mass
1 answer
asked by
kate
759 views
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