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2012
May

Questions Asked on May 27, 2012

Four 7.5 kg spheres are located at the corners of a square of side 0.60 m. Calculate the magnitude and direction of the
1. 8 answers
2. asked by myra
3. 10,277 views
A 16kg sled starts up a 28 degree incline with a speed of 2.4 m/s . The coefficient of kinetic friction is = 0.27.part a)How far
1. 4 answers
2. asked by leeann
3. 8,156 views
A plane is heading due south with an airspeed of 211 mph. A wind from a direction of 53 degrees is blowing at 17 mph. Find the
1. 1 answer
2. asked by Michael
3. 7,140 views
A baby elephant is stuck in a mud hole. To help pull it out, game keepers use a rope to apply a force FA, as part a of the
1. 1 answer
2. asked by Jimmy Turner
3. 6,829 views
1) A baby elephant is stuck in a mud hole. To help pull it out, game keepers use a rope to apply a force FA. By itself, however,
1. 3 answers
2. asked by Hannah
3. 3,711 views
A telephone pole is secured with two cables. The first cable is attached to the top of the pole and makes an angle of 70° with
1. 1 answer
2. asked by Henry P
3. 3,522 views
A pilot flies her route in two straight-line segments. The displacement vector A for the first segment has a magnitude of 254 km
1. 1 answer
2. asked by Hannah
3. 3,374 views
In a canoe race, a team paddles downstream 480 m. in 60 s. The same team travels up stream in 80 s. Find the team's rate in
1. 2 answers
2. asked by chris
3. 2,698 views
1) The velocity of a diver just before hitting the water is -11.8 m/s, where the minus sign indicates that her motion is
1. 3 answers
2. asked by Hannah
3. 2,663 views
The minimum frequency for the photoelectric effect of a zinc plate is 9.7 × 1014 Hz. What will be the kinetic energy of an
1. 1 answer
2. asked by Pat
3. 2,462 views
1. Mike wants to invest money every month for 40 years. He would like to have$1 000 000 at the end of the 40 years. For each
1. 1 answer
2. asked by Maame
3. 2,401 views
An engine expends 44.0 hp in moving a car along a level track at a speed of 13.9 m/s. How large is the total force acting on the
1. 1 answer
2. asked by Darrell
3. 2,314 views
Ruby is 10 years older than Sam. The sum of their ages is 52. How old is Sam?
1. 2 answers
2. asked by clary
3. 2,048 views
The Kingdom Monera has been separated into two domains, the Archaea and the Bacteria. Which of the following was most important
1. 2 answers
2. asked by Madi
3. 1,837 views
One more question:Why did the Progressive movement want the direct election of senators? Senators elected indirectly made little
1. 3 answers
2. asked by Alex
3. 1,781 views
A coil with an area of 0.10 m2 is in a magnetic field of 0.20 T perpendicular to its area. It is flipped through 180° so that
1. 1 answer
2. asked by Pat
3. 1,738 views
A wire loop has an area of 0.12 m2, and the magnetic field through it increases from 0 to 0.20 T in 0.30 s. What is the induced
1. 1 answer
2. asked by Pat
3. 1,671 views
The area of a circle is given by the expression pi(16x^2 - 40x + 25) .a) What is the diameter of the circle? b) What is its
1. 1 answer
2. asked by Henry P
3. 1,562 views
A farmer uses a conveyor belt to move grain from ground level into a storage silo. The conveyor has a length of 9 metres. Its
1. 1 answer
2. asked by Henry P
3. 1,519 views
a particle of mass 5m moving with speed v, explodes and splits into two pieces with masses of 2m and 3m. The lighter piece
1. 1 answer
2. asked by cynthia-joice
3. 1,458 views
Suppose you see a car with an advertised price of $28,550 at $614.45 per month for 5 years. What is the amount of interest paid?
1. 1 answer
2. asked by Rose
3. 1,436 views
A bus travelling at an average speed of 63km/h left a station at 8.15 a.m. A car later left the same station at 9.00 a.m. and
1. 3 answers
2. asked by Anonymous
3. 1,366 views
Your yearly office supply budget is $1200, you spend $350 each year on paper. What percent of your budget do you spend on paper
1. 1 answer
2. asked by Lisa
3. 1,286 views
7. A watch that loses a half-minute every hour was set to read the correct time at 05 45h on Monday. Determiner the time, in the
1. 1 answer
2. asked by Anonymous
3. 1,272 views
A store sells rings with birthstones selected from the 12 different months of the year. The stones are arranged in a row.Part A:
1. 1 answer
2. asked by Sharon
3. 1,271 views
Wild rice sells for $6 pound, and plain rice sells for $1 per pound. A grocer wants 10 pounds if the mixture to sell for $2 per
1. 1 answer
2. asked by susana
3. 1,244 views
The slope and y-intercept of the relation represented by the equation 12x – 9y + 2 = 0 are
1. 1 answer
2. asked by clary
3. 1,244 views
The company Animania has employees with monthly salaries of $1700, $1400, $7000, $1550, and $2500. Find the median of these
1. 1 answer
2. asked by Lourane
3. 1,240 views
Tammy had 900 red and blue buttons in a big box. 30% of them were blue buttons . She sold some of the blue buttons in the
1. 1 answer
2. asked by Rachel Kok
3. 1,235 views
Help!I need to do 40 hours of community service by 2 weeks. In my nieghborhood there are no libraries, or anything and I have no
1. 3 answers
2. asked by Aisha
3. 1,232 views
You own a gas pipeline that requires no maintenance and will produce $2 million of revenue next year. Unfortunately, the volume
1. 2 answers
2. asked by Anonymous
3. 1,219 views
A straight 1.2 m length iron rod is moved at 10 m/s through the earth's magnetic field at a location where it has magnitude 1.0
1. 1 answer
2. asked by Pat
3. 1,219 views
Here is my store for my writing assignment. Please tell me if it is good and the errors I made on it. I really need to pass
1. 1 answer
2. asked by Ashley
3. 1,165 views
Find the amount of compound interest earned in an account that opens with $23,000, earns 3.9% interest compounded daily, and is
1. 1 answer
2. asked by Danny
3. 1,139 views
An electron is accelerated in the uniform field E = 2.0 x 104 N/C between two parallel charged plates (Negative charged plate is
1. 2 answers
2. asked by myra
3. 1,127 views
If y blue marbles are removed and 30 orange marbles are added to the bag , the probability of getting a green marble become
1. 1 answer
2. asked by Anonymous
3. 1,084 views
i read this poem again and simile be that duck call for her mate but wind blow his answer away and leave her lonely on beach?The
1. 3 answers
2. asked by Mohammad
3. 1,081 views
An electric pole is supported to stand vertically on a level ground by a tight wire. The wire is pegged at a distance of 6
1. 3 answers
2. asked by anonymous
3. 1,078 views
A Basic Car Rental charges a daily rate of $29 plus $.20 per mile. Suppose that you rent a car for a day and your bill (before
1. 2 answers
2. asked by mike
3. 1,070 views
Nick received a $7000 raise. If his previous salary was $55,000 what was the percent of increase in salary?
1. 1 answer
2. asked by Lourane
3. 1,046 views
A school planned to buy x calculators for a total cost $216. Supplies agreed to offer a discount $.80 per calculator. the school
1. 1 answer
2. asked by Anonymous
3. 1,042 views
A manufacturer of an anti-inflammatory drug claims that the drug will be effective for 6 hours. An independent testing service
1. 1 answer
2. asked by Elise
3. 1,033 views
A horse draws a sled horizontally across a snow-covered field. The coefficient of friction between the sled and the snow is
1. 1 answer
2. asked by Jacob
3. 1,031 views
1) A cave explorer drops a stone from rest into a hole. The speed of sound is 343 m/s in air, and the sound of the stone
1. 3 answers
2. asked by Hannah
3. 1,027 views
Writeacher, can you please check if the use of scientific English is OK. Thank you.1) One of the other prominent scientists
1. 1 answer
2. asked by Frank
3. 1,027 views
One number is 2 more than another number. Add 11 to 6 times the first number. The result is 7 times the second number.
1. 1 answer
2. asked by Cadie
3. 1,021 views
Name and describe two colligative properties that are affected by solute concentration, then list whyone would be affected in
1. 3 answers
2. asked by Carrie
3. 1,011 views
Show that if a satellite orbits very near the surface of a planet with period T, the density (mass per unit volume) of the
1. 0 answers
2. asked by myra
3. 1,011 views
6. Suppose NPI’s reinvestment rate on all future retained earnings were 12% instead of the 16% assumed in the previous
1. 0 answers
2. asked by Anonymous
3. 998 views
A student starts from rest from his house and accelerates uniformly at the rate of 2m/sec^2 for 30 sec then he apply break for
1. 1 answer
2. asked by parul
3. 995 views
What was one reform the Progressive movement achieved?direct election of U.S. senators reduction of government regulation
1. 2 answers
2. asked by Alex
3. 993 views
1) A penny is dropped from rest from the top of a very tall building. Assuming the height of the building is 407 m and ignoring
1. 1 answer
2. asked by Hannah
3. 975 views
A specfic model of a car with an original value of $32500 depreciates at a rate of $7000 per year, as represented in the
1. 1 answer
2. asked by Anonymous
3. 966 views
Melanie’s bedroom floor has a width equal to 3x+ 6 and a length equal to 4x – 7. What equation represents the area of the
1. 1 answer
2. asked by Henry P
3. 963 views
Prepare a 10-column work sheet for fiscal year 2005, starting with the unadjusted trial balanceand including adjustments based
1. 0 answers
2. asked by Lauren
3. 955 views
A cyclist is cycling at uniform velocity of 8m/sec for 8 sec then applies brakes and cycle come to rest in next 10 sec.
1. 2 answers
2. asked by parul
3. 937 views
Betsy inherits 1500 and would like to put some of it away for a down payment on a house in 8 years. if she would like to have
1. 2 answers
2. asked by maame
3. 937 views
Imagine a car involved in a head-on crash. The driver, whose mass is m, is to be brought uniformly to rest within the passenger
1. 0 answers
2. asked by myra
3. 919 views
It took a boat 6 h to travel 84 km up a river against the current but only 4 h and 12 minutes for the return trip with the
1. 1 answer
2. asked by Henry P
3. 915 views
In a math contest each team is asked 50 questions. The team earns 15 points for each correct answer and loses 8 for each
1. 1 answer
2. asked by susana
3. 865 views
Question: Name some plant or animal tissues in which mitosis can be observed.I need to name about five but all I know is in
1. 1 answer
2. asked by Science
3. 850 views
Please someone get back to me! I really don't know how to do this, need as soon as possible. Please help!A rabbit population
1. 4 answers
2. asked by Lilly
3. 827 views
A jet travels at a rate of 798 mi/hr. with the wind. Going against the wind, the jet travels at a rate of 762 mi/hr. What is the
1. 1 answer
2. asked by chris
3. 824 views
How many solutions are there for the linear system x – y = –5 and x + y = 1?
1. 1 answer
2. asked by clary
3. 808 views
A stone is thrown down a well at a velocity of 20m/s. If the well is 20m deep, calculate the time taken for the stone to reach
1. 2 answers
2. asked by Leonel
3. 794 views
1) A cave explorer drops a stone from rest into a hole. The speed of sound is 343 m/s in air, and the sound of the stone
1. 2 answers
2. asked by Hannah
3. 784 views
I have tried to rephrase the sentences as you told me. Can you please have a look at them?1)Finally, in my opinion, the way to
1. 1 answer
2. asked by John
3. 781 views
If a negative charge is initially at rest in an electric field, will it move towards a region of higher potential or lower
1. 0 answers
2. asked by myra
3. 743 views
The equation of line A is y = –9x + 8. Write an equation that represents a line that is perpendicular to line A.
1. 1 answer
2. asked by clary
3. 742 views
If the principal P = $700, the rate r = 6 12 %, and time t = 1 year, find the following. (a) What is the amount of interest? $
1. 2 answers
2. asked by Demie
3. 740 views
Howndar do I write x^2-4y^2-4x-8y=36 in standard form?
1. 2 answers
2. asked by Sharon
3. 731 views
A +5.7 C and a -3.5 C charge are placed 25 cm apart. Where can a third charge be placed so that it experiences no net
1. 0 answers
2. asked by myra
3. 730 views
A radical skeptic might be willing to doubt which of the following?3 + 5 = 8 Grass is green. Cheese is fattening. All of the
1. 1 answer
2. asked by Rae
3. 728 views
the equation of a transverse wave travel ling on a rope is given by y=10sin3.14(0.01x-2.00t)where y and x are in cm and t is in
1. 2 answers
2. asked by srikala
3. 713 views
Derek invests $250 per month for years at 4.8%/a compounded monthly.How much will his investment be worth at the end of the
1. 2 answers
2. asked by Maame
3. 706 views
A one-year subscription to a magazine costs $15. A three-year subscription is $37.50. What interest rate is the magazine
1. 1 answer
2. asked by Celena
3. 688 views
If Starbucks raises its price by 7 percent and McDonald’s experiences a 0.3 percent increase in demand for its coffee, what is
1. 0 answers
2. asked by Carlos
3. 680 views
A certain lock has four tumblers, and each tumbler can assume three positions. How many different possibilities are there?
1. 1 answer
2. asked by Danny
3. 677 views
An ideal spring has the spring constant k = 414 N/m. Calculate the distance this spring must be stretched from its equilibrium
1. 1 answer
2. asked by James
3. 676 views
You push your couch a distance of 3.6 m across the living room floor with a horizontal force of 198.0 N. The force of friction
1. 2 answers
2. asked by Nate
3. 675 views
Please may you find a diagram of a labeled weather barometer.
1. 3 answers
2. asked by Juanita
3. 674 views
What is the factored form of 6x2 + 17x + 5?
1. 1 answer
2. asked by Henry P
3. 673 views
1) A jetliner, traveling northward, is landing with a speed of 69.3 m/s. Once the jet touches down, it has 787 m of runway in
1. 1 answer
2. asked by Hannah
3. 672 views
A hot-air balloon is rising upward with a constant speed of 2.45 m/s. When the balloon is 3.22 m above the ground, the
1. 2 answers
2. asked by Hannah
3. 668 views
Please could you help me predict the products of the following reactions: ( I cant figure them out) THANX in advance!1) CaO
1. 3 answers
2. asked by DAN
3. 666 views
Two objects are near a bar magnet. One is about 1 cm away, while the other is 6 cm away. Compare and contrast the magnetic force
1. 1 answer
2. asked by Pat
3. 662 views
A student is asked to answer 7 out of 13 questions on an exam.In how many ways can she select the questions to be answered?
1. 1 answer
2. asked by Demie
3. 650 views
Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse,
1. 0 answers
2. asked by jenny
3. 636 views
Determine the down payment and the amount to be financed for each home described below.(a) $340,340; 10% down The down payment
1. 1 answer
2. asked by Demie
3. 633 views
A particle travels counterclockwise around the origin at constant speed in a circular path that has a diameter of 2.50 m, going
1. 1 answer
2. asked by Chris
3. 630 views
28% of what number is 3 1/2
1. 1 answer
2. asked by Lourane
3. 626 views
Determine the ordered pair that solves the linear system3(x – 1) – 2(y – 3) = 0 and 3(x + 4) – 4(y – 1) – 1 = 0.
1. 1 answer
2. asked by clary
3. 626 views
The region bounded by the curve y=1÷(1+2x) , the line X=2 , the x-axis and the y axis is rotated completely about the y-axis.Sh
1. 1 answer
2. asked by fairuz
3. 618 views
a) Determine an equation for the line with slope 3 and passing through the origin.b) What is an equation for the line
1. 1 answer
2. asked by Henry P
3. 611 views
Evaluate the expression.(11) (5) (3) 3 3 1 Evaluate the expression. (7) 5 I had 7 as the answer.
1. 0 answers
2. asked by Rose
3. 605 views
Brent received two bills with his monthly gasoline statement. One bill for $92.30 showed he had bought 66L of gasoline and two
1. 2 answers
2. asked by Henry P
3. 603 views
Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse,
1. 0 answers
2. asked by jenny
3. 600 views
How do I use Kirchhoff's First Law -- the law of conservation of energy and the law of conservation of charge to prove the
1. 0 answers
2. asked by Art
3. 585 views
An electric pole is supported to stand vertically on a level ground by a tight wire. The wire is pegged at a distance of 6
1. 1 answer
2. asked by anonymous
3. 571 views
An 8.0 kg puck floating on an air table is travelling east at 15 cm/s. Coming the other way at 25 cm/s is a 2.0 kg puck on which
1. 1 answer
2. asked by myra
3. 571 views

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