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Questions Asked on December 31, 2014

a battery has an e.m.f of 6 volts and an internal resistance of 0.4 ohm.it is connected to a 2.6 ohm resistor through a
1. 8 answers
2. asked by komal yaseen
3. 12,945 views
the resistance of a platinum resistance thermometer is 200.0 ohm at o degree centigrade and 257.6 ohm when immersed in hot
1. 1 answer
2. asked by komal yaseen
3. 2,448 views
It takes 15 men working steadily 4 days to dig the foundation for a new apartment. How many days would it have taken 25 men
1. 2 answers
2. asked by Seth
3. 2,797 views
How would I find out what the height of the pile would be after 5 minutes?A machine starts dumping sand at the rate of 20
1. 2 answers
2. asked by Peter
3. 1,389 views
Acemoglu and Robinson pithily diagnose the cause of these disappointing outcomes in their final chapter: "Attempting to engineer
1. 1 answer
2. asked by juil
3. 403 views
Consider the function f(x) = 3/4x^4 –x^3 -3x^2 + 6x , find the relative extrema for f(x), be sure to label each as a maximum
1. 1 answer
2. asked by Henry
3. 1,208 views
f(x)= x/(1+x)^2a) find the intervals on which f is increasing or decreasing. Is it ....f is decreasing on the intervals (-
1. 2 answers
2. asked by Anonymous
3. 884 views
What is the orbital velocity of the Earth around the Sun, assuming the Earth takes a perfectly circular orbit around the Sun?Wha
1. 1 answer
2. asked by Deyves
3. 895 views
What is franchise?
1. 1 answer
2. asked by kemi
3. 414 views
What is the relationship between constitution and constitutionalism?
1. 2 answers
2. asked by kemi
3. 717 views
prove that 8002408082 is double of 8084506040.
1. 1 answer
2. asked by vivek darshan
3. 322 views
If 360 workers called in sick and 240 went to work, how many workers work at the company all together? Solve using fractions and
1. 2 answers
2. asked by Anonymous
3. 562 views
I entered the wrong coordinates in a previous question, i corrected down below.How do I determine which two triangles on a graph
1. 2 answers
2. asked by Marie
3. 503 views
Please help, what operation should I use to solve this problem? Jessica bought 10.50 pounds of potatoes. The potatoes are sold
1. 3 answers
2. asked by Jaliyah
3. 380 views
When 85g of CH4 are mixed with 160g of O2 what is the maximum amount of CO2 that can be produced?plis help me ASAP
1. 3 answers
2. asked by zizi
3. 3,162 views
two forces of the same magnitude act at a point.the square of their resultant is 3 times the product of their magnitudes.the
1. 0 answers
2. asked by komal yaseen
3. 573 views
2.4 ampere current is flowing in a wire .how many electrons pass a given point in the wire in one second if the charge on an
1. 1 answer
2. asked by komal yaseen
3. 1,775 views
a toroid has 3000 turns. the inner and outer diameter are 22 cm and 26 cm. what is the flux density inside the core when there
1. 2 answers
2. asked by komal yaseen
3. 1,116 views
A solution of 10g of a nonvolatile compound in 25g of water boils at 100.78C at 1 atm. What is the molecular mass of the solute?
1. 1 answer
2. asked by Cielo
3. 514 views
1) On the construction site an electric crane is used to lift materials to the 10th floor. A 180 kW motor requires 2.0 minutes
1. 9 answers
2. asked by Lucina
3. 974 views
Create a Sales application that prompts the user for a series of sales figures and then implements a sorting routine on the
1. 1 answer
2. asked by Vlad
3. 663 views
Which of the following is one role of RNA polymerase during transcription?A- to break down an already existing protein B- to
1. 2 answers
2. asked by May
3. 1,082 views
(I skipped the lengthy work problem background as it is irrelevant)The number of bacteria needed to break down an oil spill is
1. 6 answers
2. asked by Lucina
3. 656 views
The Great Galaxy in Andromeda is about 2200000 light years from Earth. Light travels 5900000000000 miles in a year. How many
1. 2 answers
2. asked by Lucina
3. 1,348 views
Find the sum of all values of a such that the point (a,7) is 3 sqrt 5 from the point (2,1).
1. 2 answers
2. asked by Abigail
3. 549 views
Essays, articles, and speeches are all works of nonfiction. Which of the following is an accurate statement about the authors of
1. 2 answers
2. asked by Anonymous
3. 796 views
What is the derivative of f(x)=(10-3x)/2• sqrt of (5-x)?
1. 1 answer
2. asked by Anonymous
3. 363 views
If a saturated solution of Potassium Chlorate at 80 degrees celsius cools to room temperature (25 degrees celsius), how many
1. 1 answer
2. asked by Alexandra
3. 733 views
Starting from Newton’s law of universal gravitation, show how to find the speed of the moon in its orbit from the earth-moon
1. 0 answers
2. asked by Marie
3. 572 views
The line l1 passes through the points (3,-3) and (-5,2). The line is the graph of the equation Ax + By = C, where A, B, and C
1. 1 answer
2. asked by Jeffrey
3. 580 views
A sample of gas (2.0 mmol) effused through a pinhole in 5.0 s. It will take __________ s for the same amount of to effuse under
1. 2 answers
2. asked by Claire
3. 948 views
Find a if the point (3,a) is on the line that passes through (-2,7) and (5,-3).
1. 1 answer
2. asked by Will
3. 404 views
The equation of a function is y= 4x+3. A second function contains the table of values below.Which is true about the X Y two
1. 1 answer
2. asked by Lauren Blanton
3. 812 views
I really don't know where to start or go with this question...There aren't any similar examples in my book so if you could walk
1. 6 answers
2. asked by Tenley
3. 556 views
Tyson handle 250 service calls on his shipped yesterday. Of those, 20% resulted in a successful upsell additional services.
1. 1 answer
2. asked by Nikki
3. 414 views
10. A 2-kg object is moving at 3m/s. A 4-N force is applied in the direction of motion and thenremoved after the object has
1. 1 answer
2. asked by Anonymous
3. 5,023 views
Which of the following . is true about the DNA molecule during transcription?A- It opens up all of the way, one gene at a time.
1. 2 answers
2. asked by May
3. 3,513 views
Research and describe one current application of the knowledge of the atom. This application can be in any field of your choice.
1. 1 answer
2. asked by Maria
3. 475 views
A friend plays video games 6 hours a day and gets upset when called to dinner with the family. This is a sign of? (a)anxiety
1. 32 answers
2. asked by Tracy
3. 2,408 views
During the summer _________ in India, wet air from the Indian ocean brings heavy rain to India.
1. 1 answer
2. asked by Elena
3. 545 views
air pollution in pennsylvania causes ______ in new england because the wind blows the pollution into new England.can someone
1. 1 answer
2. asked by Elena
3. 468 views
How do I determine which two triangles on a graph are congruent. ∆QRS and ∆DEF or ∆ABC and ∆XYZ.i found the coordinates
1. 4 answers
2. asked by Marie
3. 1,082 views
Graph the solution of the equation b-15=-12
1. 1 answer
2. asked by lily
3. 409 views
The requirement for computer server capacity at Acme Industries is expected to increase at a rate of 15% per year for the next 5
1. 1 answer
2. asked by reva
3. 439 views
You place a cup of 205oF coffee on a table in a room that is 72oF, and 10 minutes later, it is 195oF. Approximately how long
1. 2 answers
2. asked by Anonymous
3. 1,594 views
Write a word phrase for 5 p
1. 1 answer
2. asked by lily
3. 352 views
You deposit $3,000 in a savings account that earns 6% simple interest. How long will it be before you have a total of $3,500?
1. 4 answers
2. asked by Olivia
3. 795 views
A potato is put into an oven that has been heated to 350F. Its temperature as a function of time is given by T(t) = a(1 -
1. 1 answer
2. asked by Anonymous
3. 880 views
A body was found at 6 a.m. outdoors on a day when the temperature was 50oF. The medical examiner found the temperature of the
1. 4 answers
2. asked by Anonymous
3. 3,464 views
What operation should I use to solve this problem? Jessica bought 10.50 pounds of potatoes, The potatoes are sold in sacks of
1. 1 answer
2. asked by Jaliyah
3. 669 views
What is the mass if an elephant that has 45,000 J when it is moving 5.0 m/s
1. 1 answer
2. asked by Mackenzie
3. 392 views
Army Major Hart is accused of stealing the payroll for his division. Which type of law would he be subject to:A. Civil B.
1. 3 answers
2. asked by Anonymous
3. 413 views
Please help me to pick out 6 lines from the poem Invictus of William Ernest Henley that used sensory images and identify the
1. 8 answers
2. asked by ZACHARY
3. 2,103 views
2x(3xy + 4y² + 8y)6x²2xy + 2x4y² + 2x8y 12x² + 10y²
1. 2 answers
2. asked by Taylor
3. 580 views
Hi, i really need help with these questions i kept trying to think and think but i keep getting confuse.What must people know or
1. 3 answers
2. asked by Help please
3. 1,699 views
the speed of an object at the end of 4 successive seconds is 20,25,30 and 35 meters per second,respectively.the acceleration of
1. 3 answers
2. asked by komal
3. 2,249 views
What is the freezing point of a 10% (by mass) solution of CH3OH in water?
1. 1 answer
2. asked by Cielo
3. 1,601 views
a body of mass o.1 kg is attached to a spring and placed on a horizontal frictionless table. the spring is stretched 20cm,when a
1. 2 answers
2. asked by komal
3. 581 views
THE DISTANCE BETWEEN A AND B IS 150KM.A CAR STARTS FROM A AT 10PM AND TRAVELS AT AN AVERAGE SPEED OF 80KM/H TOWARDS TOWN B.A
1. 1 answer
2. asked by ANTONINA
3. 634 views
How much ethyl alcohol, C2H5OH must be added to 500mL of water so that the solution will freeze at -10C? KfH2O = 1.86 C/molal
1. 1 answer
2. asked by Cielo
3. 891 views
What is the boiling point of a solution that contains 1.20 mole of sodium chloride in 1000 g water? KbH2O = 0.512C/ molal
1. 0 answers
2. asked by Cielo
3. 488 views
A locomotive is running at a constant speed of 100 km/ h. The diameter of driving wheels is 1.8 m. Thestroke of the piston of
1. 0 answers
2. asked by joel
3. 717 views
A flywheel is making 180 r.p.m. and after 20 seconds it is running at 140 r.p.m. How many revolutionswill it make, and what time
1. 5 answers
2. asked by joel
3. 6,940 views
what will be the centipetal acceleration on a man whose mass is 80 kg,when resting on a ground at the equator if the radius of
1. 1 answer
2. asked by komal
3. 505 views
1. What are the three types of population?2. Give a graphic description of the three types of population.
1. 1 answer
2. asked by kemi
3. 465 views
PIECES OF SOAP ARE PACKED IN A CUBOID CONTAINER MEASURING 36CM BY 24CM BY 18CM. EACH PIECE OF SOAP IS SIMILAR TO THE
1. 3 answers
2. asked by ANTONINA
3. 1,088 views
a ball of weight 200 grams,is tied to the end of a cord and whirled in a horizontal circle of radius 0.6 m.if the ball makes
1. 2 answers
2. asked by komal
3. 1,180 views
A cage descends a mine shaft with an acceleration of 0.5 m/s2. After the cage has travelled 25 metres,a stone is dropped from
1. 1 answer
2. asked by joel
3. 4,180 views
Differentiate between large scale and small scale production
1. 1 answer
2. asked by kemi
3. 449 views
List the three types of population (graphically)
1. 1 answer
2. asked by kemi
3. 454 views
For the curve given by 4x^2+y^2=48+2xy show that ((dy)/(dx))=(y-4x)/(y-x)
1. 1 answer
2. asked by Steven
3. 847 views
a) find the intervals on which f is increasing or decreasing.Is it ....f is decreasing on the intervals (- infinity, -1) and (1,
1. 1 answer
2. asked by Anonymous
3. 479 views

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