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November 1, 2011
A parcel delivery service will deliver a package only if the length plus the girth (distance around, taken perpendicular to the
1 answer
asked by
Anonymous
14,746 views
A 1200 kg car pushes a 2100 kg truck that has a dead battery to the right. When the driver steps on the accelerator, the drive
1 answer
asked by
Help Physics college
14,628 views
The following four forces act on 4.00 kg object:
F1 = 300 N east F2 = 700 N north F3 = 500 N west F4 = 600 N south What is the
4 answers
asked by
Christine
12,891 views
Calculate the number of grams of dextrose in 250mL of D5W.
I know that the answer is 12.5g, but I do not understand the work.
2 answers
asked by
Elie
9,986 views
A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.5 x 10 exponent 5 kg, its speed
1 answer
asked by
anna
8,974 views
A 50.0-kg block is being pulled up a 13 degree slope by a force of 250 N which is parallel to the slope. The coefficient of
1 answer
asked by
Kathy
8,663 views
Block 1 of mass m1 slides from rest along a frictionless ramp from height h and then collides with stationary block 2, which has
3 answers
asked by
Isabel
8,379 views
A diver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. He then pulls is arms and legs
3 answers
asked by
jason
6,603 views
A 1000-kg car is driving toward the north along a straight road at a speed of 20.0 m/s. The driver applies the brakes and the
2 answers
asked by
Christine
5,567 views
An artificial satellite circling the Earth completes each orbit in 139 minutes. (The radius of the Earth is 6.38 106 m. The mass
2 answers
asked by
Anonymous
5,214 views
A rock is projected from the edge of the top of a building with an initial velocity of 19.6 m/s at an angle of 31 degrees above
1 answer
asked by
Julia
4,956 views
a pile of bricks has 85 bricks in the bottom row, 79 bricks in the second row, 73 in the third row, and so on until there is
4 answers
asked by
Katie
4,847 views
A simple Atwood’s machine uses a massless
pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is
2 answers
asked by
Maxx
4,735 views
a magnetic crane left a mass 1500 through a vertical height of 40m.calculate the work done in operating the crane
5 answers
asked by
sasi
3,900 views
A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based
2 answers
asked by
Brittany Buford
3,150 views
Is water natural resources,renewable resources,or reusable resources?
9 answers
asked by
Duncan
2,993 views
Find equations for two lines through the origin that are tangent to the ellipse
7x2−168x+y2+62=0 please show me the steps :)
2 answers
asked by
mehak
2,720 views
One of the angles in a right triangle has a measure of 73 degrees. What is the measure of the other acute angle?
5 answers
asked by
Anonymous
2,554 views
Two skaters, one with mass 68 kg and the other with mass 47 kg, stand on an ice rink holding a pole of length 8.8 m and
3 answers
asked by
Elaina
2,382 views
suppose u and v are functions of x that are differentiable at x=2 and
that u(2) =3, u'(2) = -4, v(2) = 1, and v'(2) find values
1 answer
asked by
Amy
2,347 views
A 1000kg rocket is moving forward at 10m/s in space. A 10,000N force is applied to the rocket for one second from behind. How
2 answers
asked by
Claudia
2,170 views
A community bird-watching society makes and sells simple bird feeders to raise money for its conservation activities. The
1 answer
asked by
Darren
2,088 views
The difference between two numbers is 25. The smaller number is 1/6th of the larger number. What is the value of the smaller
1 answer
asked by
Anonymous
1,956 views
How much time can you save travelling diagonally instead of running 450meters south and then 650meters west. if your running
2 answers
asked by
ted
1,940 views
Water at 50 degrees C can be obtained by mixing together which one or more of the following combinations? Which of the others
1 answer
asked by
fifii
1,923 views
system of linear equation
The sum of 3 numbers is 14 the largest is 4 times the smallest the sum of the smallest and twice the
4 answers
asked by
YANETH
1,919 views
In an isosceles triangle, if a base angle has a measure of 43 degrees, then the vertex angle must have a measure of 80 degrees
4 answers
asked by
Anonymous
1,830 views
A vehicle is travelling at 25.0 m/s. It brakes provide an acceleration of -3.75 m/s^2[forward]. What is the driver's maximum
2 answers
asked by
Dee
1,801 views
The point of no return for an airplane, flying over water from point A on land to point B on land, is that distance into the
1 answer
asked by
Anonymous
1,797 views
Solve the system using any algebraic method.
2x - 2y + z = 3 5y - z = -31 x + 3y + 2z = -21 ______________________ The answer I
1 answer
asked by
Linda
1,781 views
a car travels at a constants speed and uses G(x) litres of gas per kilomotre, where x is the speed of the car in kilomotres oer
1 answer
asked by
invy
1,672 views
Instant cold packs, often used to ice athletic injuries on the field, contain ammonium nitrate and water separated by a thin
1 answer
asked by
Lindsey
1,667 views
With which of the following will the weak acid HCHO2 react? If a reaction occurs, write the balanced molecular equation. If no
2 answers
asked by
Colt
1,538 views
Which rate gives the best price for scrapbook paper?
a) 10 sheets = $1.89; b) 6 sheets = $0.99; c) 5 sheets = $0.79; d) 3 sheets
8 answers
asked by
Mia
1,524 views
After flying at an altitude of 600 meters,a hot air balloon starts to descend when its ground distance from the landing pad is
2 answers
asked by
justin
1,511 views
Luis Giron works at the Pancake Palace from 3:00 p.m. until 12:15 a.m. 5 nights a week. If he takes a 30-minute break each
2 answers
asked by
tre
1,489 views
An object is fired straight up from the top of a 200-foot tower at a velocity of 80 feet per second. The height h(t) of the
1 answer
asked by
danielle
1,481 views
Two skaters, one with mass 62 kg and the other with mass 45 kg, stand on an ice rink holding a pole of length 10 m and
1 answer
asked by
Jason
1,467 views
Chemical formula : C12,H22,O11
How many carbon atoms are in 1 molecule of sugar? How many hydrogen atoms are in 1 molecule of
2 answers
asked by
Ashlie
1,456 views
Consider a roller coaster as it travels near the bottom of its track as sketched in the figure below. At this point, the normal
1 answer
asked by
sandy
1,440 views
A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based
1 answer
asked by
Brittany Buford
1,430 views
How many ways can you get a bunch of 4 books to give a friend if you have 30 books (15 novels, 10 history book and 5 math
1 answer
asked by
Martin
1,417 views
A 390-N child is in a swing that is attached to a pair of ropes 1.9 m long. Find the gravitational potential energy (in JOULES)
0 answers
asked by
Mofied
1,410 views
A baseball is thrown at an angle of 26 degrees relative to the ground at a speed of 22.1 m/s. The ball is caught 39.2327 m from
1 answer
asked by
kelly
1,381 views
If points S, O,and N are collinear, how many lines do they determine?
2 answers
asked by
Leo
1,374 views
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls
1 answer
asked by
Julia
1,316 views
the relative humidity in a room is 65%. assuming ideal gas behavior. what mass of water vapor is in the air at 25 degrees
2 answers
asked by
miky
1,303 views
if the following sentance true or false, also can you please write the correct version of it if false.
if you want a small volume
1 answer
asked by
blaire
1,284 views
Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure.
C2H4(g) + H2O(g)
1 answer
asked by
Jack
1,284 views
a weather balloon carries instruments that measure temperature,pressure and humidity as it rises through the atmosphere.Suppose
0 answers
asked by
jennaq
1,274 views
Using a coffee-cup calorimeter, it is found that when an ice cube with a mass of 24.6 g melts, 8.19 kJ of heat are absorbed.
(a)
1 answer
asked by
john
1,240 views
a childs ability to jump for distance is an example of
a)agility b)flexibility c)explosive power d)reaction time i put b am i
1 answer
asked by
abby
1,237 views
A 7.0 g bullet is fired horizontally into a 1.5 kg block of wood suspended by a thread. The bullet emerges from the block with a
2 answers
asked by
Kayla L
1,217 views
What are two changes in weather patterns caused by el nino that can cause disasters?
2 answers
asked by
Theresa
1,215 views
write the corresponding subshell leters for the combinations given. Fill in the possible number of electrons for these
9 answers
asked by
Hannah
1,214 views
You are bending a wire to make a coat hanger. The length of the wire is 88 centimeters, and 20 centimeters are needed to make a
1 answer
asked by
Steven
1,198 views
The drawing shows a hydraulic system used with disc brakes. The force vector F is applied perpendicularly to the brake pedal.
0 answers
asked by
jessica
1,196 views
let f(t) = 2*pi*t + sin(2*pi*t)
a) find value of t in open interval (0,2) for which the tangent line at (t, f(t)) is parallel to
1 answer
asked by
zoe
1,192 views
Hi, I was wondering if you could help me.. I got this alliteration poem homework from my teacher, and it has to be five lines. I
1 answer
asked by
Annabeth
1,177 views
A 7.5 kg object moving at 7.3 m/s collides inelastically with a 4.0 kg object which is initially at rest. What percentage of the
0 answers
asked by
Nae
1,176 views
Examining the location of accidents on a level, 4-mile bike path shows that they occur uniformly along the length of the path.
2 answers
asked by
A
1,155 views
Block 1, with mass m1 and speed 4.5 m/s, slides along an x axis on a frictionless floor and then undergoes a one-dimensional
4 answers
asked by
Ashley
1,114 views
What is the derivative of the this functon?
g(x) = -500/x, x cannot equal 0. I know that in order to fnd the derivative I need to
3 answers
asked by
Mishaka
1,109 views
How would you describe the tone of this essay? What evidence supports your interpretation?
i know its a serious, satiric tone ..
4 answers
asked by
Mark J
1,084 views
f(t) is an exponential function with
f(0) = 200 and f(3) = 2000. a) Use the form f(t) = Pe^rt to find the equation of this
1 answer
asked by
Alexis
1,079 views
I am playing a dice game with my friend Kyle. Each of us roles a standard six-side die obtaining a number at random from 1 to 6.
2 answers
asked by
PLEASE HELP
1,078 views
1. Jordan was studying for his criminal justice exam, and his brother offered to help him study. He went over each of the
3 answers
asked by
ME
1,068 views
Two students Mac & Cheese, were arguing about covalent and ionic bonds. Mac says that covalent bonds could be compared to a good
1 answer
asked by
Brionna
1,052 views
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9.
1 answer
asked by
Kristen
1,048 views
Calculate the first, second, and third quartiles:
20,26,28,25,31,14,23,15,12,26,29,24,31,19,31,17,15,17,20,31,32,16,21,22,28
1 answer
asked by
LA
1,044 views
Question # 1 Marks = 12
A worker pushes 25Kg crate a distance of 5m along a level floor at constant velocity by pushing
2 answers
asked by
M. Yousaf Khan
1,019 views
All 3 of you I see usually answer a lot of questions. Can you help me with some of these?
1. Erosion is a slow process that
7 answers
asked by
Allishia
1,012 views
Using the Cahn-Ingold-Prelog sequence rules,assign priorities to the groups around the chiral carbon in carvone. Draw the
3 answers
asked by
stephie
1,011 views
Find the smallest positive value of x which satisfies 1.400cos(1.000x)
Give answer in four decimal places for accuracy.
3 answers
asked by
Anonymous
1,009 views
In the cchemistry lab we conducted an experiment called atomic spectroscopy.
We had to find the color, energy, wavelength, and
2 answers
asked by
Hannah
1,006 views
The time necessary to assemble a discount store display is normally distributed with μ = 5 minutes and σ = 30 seconds. A large
1 answer
asked by
Sarah
1,002 views
what is the single most important determination of plant distribution?
0 answers
asked by
chris
976 views
In the United States, we are fortunate to have an abundant supply of food, and much of this is due to our agricultural
1 answer
asked by
Lisa
969 views
According to the SMCR model, problems in communication can arise when the speaker fails to do what?
1 answer
asked by
dianne
963 views
How would I get the Ice of the titration of 40.00ml of 0.100M H2NNH2(aq) having a Kb of 3.0x10^-6 by 0.100M HClO4(aq)?
Trying to
1 answer
asked by
Anonymous
960 views
How many milliliters of 0.277 M AgNO3 solution are needed to react completely with 47.1 mL of 0.278 M NaCl solution? How many
1 answer
asked by
Lynn
959 views
Find all real numbers that satisfy the equation.
2 cos x + 1 = 0
1 answer
asked by
Anonymous
941 views
Write the equation for this situation: the value, v, in hundreds of dollars, of Bob’s stamp collection is 12 dollars more than
1 answer
asked by
Sharday
937 views
How to write l,582,658,124 in word form
1 answer
asked by
Gail
935 views
Ammonia, at stp, 1.5L of N2 reacts with 4.5L of H2, if N2 and H2 are consumed, what volume of NH3 at stp will be produced?
2 answers
asked by
Michael
930 views
I am having trouble understanding how to reduce fractions to its lowest term...
All I can understand is I have to find the lowest
3 answers
asked by
Tonya
928 views
One end of a massless coil spring is suspended from a rigid ceiling. It is found that when a 3.3 kg mass is suspended from it
1 answer
asked by
Austin
921 views
For the ellipse (x-2)^2/49 + (y+1)^2/25=1
List center: (2,-1) the foci: -(sqrt 74) AND +(SQRT 74,0) Major axis: x=2 Minor axis:
1 answer
asked by
Allie
910 views
A player bounces a 0.46 kg soccer ball off her head, changing the velocity of the ball from i = (8.7 m/s) + (-3.7 m/s) to f =
0 answers
asked by
bala
890 views
Using Newton's method, approximate the root of the equation x^3+x+2=0 with the initial guess x1=-1 gives: x2=? and x3=? answers
5 answers
asked by
Olivia
890 views
From 1950 to 1970,some glaciers in Alaska thinned by an average of 1.7 ft per year.What was the change in glacier thickness
3 answers
asked by
john
879 views
snail in the low oxygen environment
what aspects of the new environment will be salient snail and how will aspects act as
0 answers
asked by
mas
843 views
solve the following differential equation: (x^2+xy)dy=(xy-y^2)dx
3 answers
asked by
anonymous
843 views
An employee drove to work on Monday at 45 mi/h and arrived one minute early. The employee drove to work on Tuesday, leaving home
1 answer
asked by
Anonymous
841 views
A solid disk rotates in the horizontal plane at an angular velocity of 0.036 rad/s with respect to an axis perpendicular to the
1 answer
asked by
jason
838 views
James invested $4,000 at 5% interest per year; how long will it take him to earn $200 in simple interest?
3 answers
asked by
iris
832 views
What is the maximum amount of ethanol (in grams) that can be produced when 1.0 kg of ethylene (C2H4) and 0.014 kg of steam are
2 answers
asked by
Amanda
832 views
The mayor of a village wants to build a library of which the windows have a shape of a rectangle on top of a square. The total
4 answers
asked by
Tommy
825 views
I had a test in my computer science course in which I was asked if any while loop can be replaced with a for loop. I put true. I
1 answer
asked by
Jhon
812 views
$7,000 is invested into two accounts: 4,000 into an account paying 5% interest compounded monthly and
$3,000 into an account
2 answers
asked by
Anil
809 views
Back to November 2011