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January 27, 2011
Many power plants produce energy by burning carbon-based fuels, which also produces CO2. CO2 is a greenhouse gas, so
24 answers
asked by
Harold
18,894 views
The diameter of the wheels on your car (including the tires) is 25 inches. You are going to drive 305 miles today. Each of your
3 answers
asked by
Anonymous
6,122 views
A stationary 1.67 kg object is struck by a stick. The object experiences a horizontal force given b F = at-bt^2, where t is the
3 answers
asked by
sandhu
4,250 views
Pure gold has a density of 19 g/ml. If you bought a gold ring and found it had a volume of 0.3 ml and it weighed 5.7 grams, is
2 answers
asked by
Jerome
3,922 views
Both Greta and Fred were on the bus that arrived in Pittsburgh. Fred was glad to be home. He looked forward to visiting with old
6 answers
asked by
shamso
3,794 views
Experimental Procedure, Part F. A 1.0- mL volume of 0.010 M H2SO3 is added to a mixture of 12 drops of 0.01 M HIO3, 8 drops of
1 answer
asked by
john
3,104 views
(a) Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 3.76 cubic meter of water in kg.
2 answers
asked by
sagara
3,053 views
If a fish can swim short distances at 48km/h, how long would the fish take to reach a smaller fish that is 3m away?
9 answers
asked by
bo
2,433 views
A putting green is located 240ft horizontally and 64ft vertically from the tee. What must be the magnitude and direction of the
1 answer
asked by
Jonathan
2,294 views
Compute the value of the discriminant and give the number of real solutions to the quadratic equation.
2x^2+5x-7=0 Discrimnant=
2 answers
asked by
Jessica
2,294 views
A 2.2 kg mass is attached to a spring with a force constant of 560 N/m on a smooth horizontal surface. The mass is pulled to one
2 answers
asked by
Erica L
2,285 views
What if we made a pattern by joining pentagons? If the length of each side of the pentagon is 1 unit, then what would be the
2 answers
asked by
Lily
2,263 views
At an air show, a jet plane has velocity components Vx = 625 and Vy = 415 at time 3.85s and Vx = 838 and Vy = 365 at time 6.52s
3 answers
asked by
andrea
2,202 views
five students make the following guesses on the number of jelly beans in a jar: 72, 78, 68, 60 and 84. the guesses were off by
9 answers
asked by
kristin
2,128 views
A 0.75 L bottle is cleaned, dried, and closed in a room where the air is 20°C and 42% relative humidity (that is, the water
1 answer
asked by
Ashley
1,929 views
What is the kinetic energy of a 20 kg dog that is running at a speed of 7.3 m/s (about 16 mi/h)?
1 answer
asked by
Shay
1,791 views
A clump of soft clay is thrown horizontally from 30.63 m above the ground with a speed of 30.0 m/s. Where is the clay after 3.8
1 answer
asked by
lala
1,666 views
Two carts with masses of 15.5 kg and 1.0 kg, respectively, move in opposite directions on a frictionless horizontal track with
4 answers
asked by
jesse
1,616 views
A G.P has 6 terms. If the 3rd and 4th terms are 28 and -56 respectively,find: (a) the first term (b) the sum of the G.P
1 answer
asked by
Olawale azeez
1,587 views
Two Boats left the harbour at the same time. One travelled at 10km/h on a bearing of N47°E. The other travelled at 8km/h on a
1 answer
asked by
helpisneeded
1,565 views
Dr. Black is standing 15 feet away from the street lamp. The lamp is making his shadow 8 feet long. The angle of elevation from
4 answers
asked by
Anonymous
1,525 views
A car moving at 10m/s when it begins to be accelerated at 2.5m/s^2. (a)How long does the car take to reach a speed of 25m/s? (b)
1 answer
asked by
Ashley
1,508 views
The nine Ring Wraiths want to fly from Barad-Dur to Rivendell. Rivendell is directly north of Barad-Dur. The Dark Tower reports
1 answer
asked by
Chip
1,494 views
a farmer needs to buy fencing to go around his garden. The garden is a 20 by 15 rectangle . How much fencing will he need?
1 answer
asked by
mo
1,432 views
explain how Western Europe's physical geography affects its climate, settlement patterns, culture, and economy.
Can anyone give
3 answers
asked by
Katy
1,396 views
solve for m
2/3m - 5 = n
2 answers
asked by
Justin
1,354 views
how long will it take to earn 525$ in interest if $3500 is invested at a 6% annual interest rate?
2 answers
asked by
meghan
1,345 views
A new "D" battery has an emf of 1.5 V. When a wire of negligible resistance is connected between the terminals of the battery, a
2 answers
asked by
ali-1
1,335 views
a.Which statement about lynchings in the South in the 1890s is true?
1. Lynchings decreased compared to the Reconstruction era.
2 answers
asked by
bre
1,333 views
A basketball is shot from an initial height of 2.4 m with an initial speed (v0 = 12 m/s) directed at an angle (35 degrees) above
0 answers
asked by
Kyo
1,319 views
Suppose you're just beginning to study the information in your third shipment of material. When can you expect the next shipment
3 answers
asked by
Anonymous
1,265 views
Hello!
What could I do as a lead in activity with two 5th graders? We have a 45 minute lesson tomorrow and I want to break the
1 answer
asked by
tee
1,242 views
What is "material pop culture"?
I am supposed to write a question on my exam that explains how Canada has a culture through
2 answers
asked by
Dawn
1,221 views
. Suppose you are a stock market analyst specializing in the stocks of theme parks, and
you are examining Disneyland’s stock.
2 answers
asked by
annie
1,215 views
The speed of light in a certain material is 1.6 × 108 m/s. Express the speed of light in (a) feet per nanosecond (ft/ns) and
1 answer
asked by
sagara
1,213 views
Given the reaction system;
2 NO (g) + O2 (g) -> 2 NO2 (g) Write a brief explanation for each of the following statements in terms
1 answer
asked by
Michael
1,200 views
a. Which statement about the Ku Klux Klan during Reconstruction is NOT true?
1. Southern governments never created policies that
4 answers
asked by
bre
1,194 views
A severe thunderstorm dumped 2.0 in of rain in 30 min on a town of area 50 km^2. What mass of water (in kg) fell on the town?
0 answers
asked by
sagara
1,185 views
How does the United States deal with problems related to civil order control?
0 answers
asked by
mee
1,172 views
have 150 milliliters of water and it freezes, how many grams of ice do you have?
2 answers
asked by
Kelsei-Natalie
1,163 views
How does the author's attitude toward her name change over the course of "Newcomers in a Troubled Land"? Support your answer
1 answer
asked by
Fartun
1,139 views
how can i make saturated CuSO4.5H2O saturated solution.Please tell temperature also?
0 answers
asked by
csrl
1,103 views
If each tablet of a dietary supplement contains ~20 mg of iron how many tablets should we analyze to provide ~.50g of Fe2O3?
1 answer
asked by
Courtney
1,096 views
write an equation of the line containing the point and perpendicular to the given line (4,-8); 2x+5y=4
I am having a very hard
3 answers
asked by
Esther
1,089 views
What is the volume of 0.23 kg of pure water?
1 answer
asked by
Jerome
1,089 views
convert to degrees, minutes and seconds
3pi/2 radians can u plz help
3 answers
asked by
Cas
1,081 views
A 26 inch ribbon is cut into three pieces. One piece is 12 inches. The remaining two pieces must have one piece two inches
3 answers
asked by
Iris
1,066 views
what is the author's purpose in "The Sniper?
2 answers
asked by
Michaela
1,059 views
Consider a car whose position, s, is given by the table
(s) 0 0.2 0.4 0.6 0.8 1 (ft) 0 0.3 1.4 3.8 6.5 9.6 Find the average
1 answer
asked by
Anonymous
1,052 views
A student presses a book between his hands, as the drawing indicates. The forces that he exerts on the front and back covers of
1 answer
asked by
brian
1,051 views
What is the relationship between an increase in light intensity and photosynthetic rate in leaves from a corn plant? How does
1 answer
asked by
Jessica
1,049 views
An arrow is shot vertically upward and then 2.15 s later passes the top of a tree 37.0 m high. How much longer will the arrow
0 answers
asked by
Jamie
1,037 views
A major leaguer hits a baseball so that it leaves the bat at a speed of 31.5 and at an angle of 36.1above the horizontal. You
1 answer
asked by
John
1,024 views
what is the percent of change from $48.50 to $38.80
4 answers
asked by
Julie
1,016 views
A severe thunderstorm dumped 2.0 in of rain in 30 min on a town of area 50 km^2. What mass of water (in kg) fell on the town?
0 answers
asked by
sagara
998 views
Use factorization to simplify the given expression in part (a). Then find the indicated limit in part (b).
(a) 3x3 + 9x2 + 9x + 3
1 answer
asked by
Arthur
987 views
is fumaric acid polar or non-polar?
1 answer
asked by
Nina
976 views
suppose you have two 1-L flasks one containing N2 at STP the other containg CH4 at STP how do these systems compare with respect
0 answers
asked by
meg
974 views
Two angles of a triangle measure 55 degrees and 47 degrees. What is the number of degrees in the measure of the supplement of
2 answers
asked by
Laur
973 views
Gold, which has a density of 19.32 g/cm^3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a
2 answers
asked by
sagara
965 views
A rectangular piece of art is 4 meters wide and 6 meters long. It is surrounded by a uniform sidewalk. If the area of the
1 answer
asked by
Elizabeth
958 views
1. Me gusta hablar por teléfono. _______
a. Soy trabajador b. Soy callado c. Soy sociable d. Soy antipático C? 2. Jaun no es
7 answers
asked by
mysterychicken
952 views
8.76g of aluminum sulphide is added to 0.0350L of 0.250mol/L lead(II)nitrate solution. calculate the maximum mass of
1 answer
asked by
paul
936 views
Can You Check My Answers??
Questions:: 1.¿Qué enciendes cuando tienes calor? 2.¿Qué apagas cuando tienes frío? 3.¿Qué usas
2 answers
asked by
NEEDS HELP!!
901 views
Solve for x
log[1/3](x^(2) + x) - log[1/3] (x^(2) - x) = -1 Steps too please. so far I tried this and I got 3 = (x+1) / (x-1)
1 answer
asked by
Amy
897 views
The speed of light in a certain material is 1.6 × 108 m/s. Express the speed of light in (a) feet per nanosecond (ft/ns) and
0 answers
asked by
Megan Fox
876 views
8. "Soy generoso"
a. ¿De dónde eres? b. ¿Cómo eres? c. ¿Qué tal? d. ¿Cómo te llamas? B? 10. ¿Te gusta____? a. tampoco b.
3 answers
asked by
mysterychicken
852 views
Multiple-Concept Example 9 discusses the physics principles used in this problem. Three resistors, 2.2, 3.9, and 6.4 Ω, are
0 answers
asked by
ali-1
848 views
Steve ponders a math problem that asks for the number of handshakes if six people at a meeting shake hands just once with each
1 answer
asked by
Rhonda
842 views
The purity of gold is measured in karats. Twenty-four karat gold is pure gold and k karat gold is k/24 gold by mass. One piece
0 answers
asked by
Laur
835 views
vas a la clase de ingles en la manana o en la tarde?
1 answer
asked by
Anonymous
834 views
A brick is released with no initial speed from the roof of a building and strikes the ground in 1.50 {s}, encountering no
1 answer
asked by
andrea
829 views
How many milliliters of 1.9 M HCl must be
transfered from a reagent bottle to provide 24 g HCl for a reaction?
1 answer
asked by
kayla
828 views
a pendulum bob with a mass of 0.13 kg is attached to a string with a length of 0.95 m. we choose the potential energy to be zero
0 answers
asked by
Erica L
818 views
Two of the sides of a triangular lot have lengths of 90 feet and 80 feet. If the angle opposite the 80-foot side is 59°, what
2 answers
asked by
Dolores
817 views
How would you interpret the findings of a correlation study that reported a linear correlation coefficient of − 1.34?
The only
1 answer
asked by
Michelle
815 views
The eaves of a roof sloping at 23° overhand the walls, the edge of the roof being 75 cm from the top of the wall. The top of
1 answer
asked by
Rin
811 views
A rectangle is 6m. wide and 11m long. How long is the diagonal of the rectangle?
3 answers
asked by
Destiny G.
809 views
Complete combustion of 7.70 g of a hydrocarbon produced 23.7 g of CO2 and 10.9 of H2O. What is the empirical formula of the
1 answer
asked by
Student
806 views
For this problem, assume the balls in the box are numbered 1 through 8, and that an experiment consists of randomly selecting 2
1 answer
asked by
Amanda
796 views
A 1.90-kg object is attached to a spring and placed on frictionless, horizontal surface. A horizontal force of 14.0 N is
1 answer
asked by
Roo Kun
791 views
What would be the resulting molarity of a solution made by dissolving 21.9 grams of KCl in enough water to make an
2 answers
asked by
Brittany
780 views
of 0.13 kg is attached to a string with a length of 0.95 m. we choose the potential energy to be zero when the string makes an
0 answers
asked by
Erica L
780 views
how do u find the slope of a line
1 answer
asked by
Courtney
777 views
In 1626,Peter Minuit of the Dutch West India Company purchased Manhattan Island from Native Americans for $24. Assuming an
0 answers
asked by
Anonymous
761 views
compare the organizational and procedural process needed to manage information in a small business and medium business and a
1 answer
asked by
LaTasha
758 views
Given the reaction system;
2 NO (g) + O2 (g) -> 2 NO2 (g) Write a brief explanation for each of the following statements in terms
0 answers
asked by
Michael
746 views
What is the probability that a randomly selected three-digit number is divisible by 5? Express answer as a common fraction.
1 answer
asked by
Jay
742 views
A bottle with a volume of 180 U. S. fluid gallons is filled at the rate of 1.6 g/min. (Water has a density of 1000 kg/m^3, and 1
0 answers
asked by
sagara
741 views
PLEASE HELP ME! i have this homework due tomorrow and i only have 1 question left and am sooo desperate for an answer:
The
4 answers
asked by
CJ
737 views
Hi, all! I'm trying to right a small and simple paragraph in french. This is what I'm trying to say:
Yesterday, I read an article
7 answers
asked by
Kat
734 views
Calculate the change in energy when 665.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant
1 answer
asked by
Chemistry
731 views
I can't seem to figure this out.
A ship leaves at noon and travels due West at 20 knots. At 2:00 it changes to N54°W...Find the
2 answers
asked by
Dragon
730 views
joe has a mass of 50 kg and sally has a mads of 30 kg. they sit in class with a separation of 0.5 meters. Find hhe gravitational
2 answers
asked by
david
727 views
Will Zinc react with Zn(NO3)2, Cu(NO3)2,Pb(NO3)2, Mg(NO3)2, AgNO3, Al(NO3)3, or Fe(NO3)3
1 answer
asked by
Jenn
725 views
Find all real number solutions to (cubed root 3x-8)-1=0
If there is more than one solution, separate them with commas. If there
4 answers
asked by
Hannah
718 views
Habia una vez hay un conejo pequeno. El no estaba contento. Queria mirar como les otros animales. Cuando él vio Mr. Bushy Tail,
2 answers
asked by
John
714 views
The masses of newborn children are normally distributed with a mean of 3.4 kg and a standard deviation of 0.8 kg. A newborn is
1 answer
asked by
PLEASE HELP
706 views
a ball is thrown at an original speed of 8.0 m/s at an angle of 35 degrees above the horizontal. What is the speed of the ball
0 answers
asked by
Anonymous
689 views
Find the midpoint M of the line segment joining the points C = (-4,-5) and D = (2,-1).
I got (-1,-3) can you check me? Thanks
1 answer
asked by
Jessica
682 views
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