Sunday
February 7, 2016

Posts by king

Total # Posts: 78

Physics
A 500kg piano is being lowered into position by a crane while to people steady it with ropes pulling to the sides.Bob's rope pulls to the left, 15' below the horizontal, with 500N of tension.Ellen's rope pulls toward the right, 25' below horizontal. a)What ...
January 22, 2016

Math
which value of k makes p^2-8p+k a perfect square?
January 17, 2016

physics
It has been suggested that rotating cylinders about 12.5 mi long and 4.88 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth? Answer...
January 5, 2016

physics
A 2,200-kg car moving east at 10.0 m/s collides with a 3,000-kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 35.0° north of east and at a speed of 5.16 m/s. Find the speed of the 3,000-kg car before the collision.
December 13, 2015

physics
A pitcher throws a 0.141-kg baseball toward the batter so that it crosses home plate horizontally and has a speed of 42 m/s just before it makes contact with the bat. The batter then hits the ball straight back at the pitcher with a speed of 50 m/s. Assume the ball travels ...
November 30, 2015

Science
A vertical load of 100N is supported by two chains, A and B, in the same vertical plane. The force in A is 50N and acts in a line at 30 degrees to the horizontal plane (i.e. at 120 degrees to the 100N load). Determine the force in chain B and the angle between A and B.
October 30, 2015

Physics
Forces of 10.3N north, 19.5N east, and 15.2N south are simultaneously applied to a 4.06kg mass as it rests on an air table. What is the magnitude of its acceleration?
September 26, 2015

physics
A block is at rest on the incline shown in the figure. The coefficients of static and kinetic friction are µs = 0.4 and µk = 0.34, respectively. The acceleration of gravity is 9.8 m/s. What is the largest angle which the incline can have so that the mass does not ...
September 22, 2015

physics
Consider two vectors F~ 1 and F~ 2 with magnitude F1 = 61 N and F2 = 63 N and where θ1 = 98 ◦ and θ2 = 50 ◦The angles are measured from the positive x axis with the counter-clockwise angular direction as positive. What is the magnitude of the resultant ...
September 9, 2015

Idk
matthew travels tow and one half miles to get to school this is 3 time the distance that jennifer travels how far does jennifer travel
August 27, 2015

math
A truck has a cylindrical tank 9 m long for transporting milk. The diameter of the tank is 2.8 m. How much milk can it hold? (Use 3.14 for π.)
May 28, 2015

Physics
Stupid
March 12, 2015

math
A and B are twos 360 km apart. An express bus departs from A at 8 a.m. and maintains an average speed of 90 km/h between A and B. Another bus starts From B also at 8.m. and moves towards A making four stops at four equally spaced points between B and A. Each stop is of ...
February 9, 2015

math
Mary bought maize and beans from a wholesaler. She then mixed the maize and beans ratio 4:3, she bought the maize as $12 per kg and the beans $4 per kg. if she was to make a profit of 30 %. What should be the selling of price 1 kg of the mixture?
February 6, 2015

math
A rectangular tank of base 2.4 m by 2.8 m and a height of 3 m contain 3,600 liters of water initially. Water flows into the tank at the rate of 0.5 liters per second Calculate the time in hours and minutes, required to fill the tank
February 5, 2015

math
A man walks directly from point A towards the foot of a tall building 240m away. After covering 180m, he observes that the angle of the top of the building is 45. Determine the angle of elevation of the top of the building from A.
February 4, 2015

Math
The marked price of a bicycle is $ 6245. Dan bought the bicycle on cash terms and was given a 10% discount. Dave bought the same type of bicycle on hire purchase terms whereby he paid a deposit of $ 3000 and 12 equal monthly installments of $ 500. How much more than Dan did ...
January 17, 2015

math
Can the values be added or subtracted? If one value needs to be converted to another, describe the conversion. 19.75 in² + 26.2 in³
January 15, 2015

math
What do the lines making a circle around the low-pressure area indicate? 1.The values cannot be added because one is measuring area and the other is measuring volume. 2.The values can be added without making a conversion of units because they both measure area. * 3.The values ...
January 15, 2015

math
What is the next number in the pattern 4, 9, 25, 49, 121, 169, ___
January 13, 2015

math
A cuboid measures 6cm long, 5cm wide and 4cm high. What is the total length of the edges in centimeters?
January 12, 2015

math
San Diego left San Francisco on Tuesday at 6.30 p.m. and took 8 hours 45 minutes to reach his home. On what day and at what time in a 24 hour system did he reach home?
January 12, 2015

math
John is now two years older than Martha. If Martha's age is represented by x, what will be their total ages after 10 years?
January 12, 2015

math
At a school prize giving day the number of men was half of women. The number of children was three times that of women. The number of women who attended was 3x. What was the sum of the men and children?
January 12, 2015

math
The cash price of a cupboard is $3 000. An interest of 25% is charged if the cupboard is bought on hire purchase terms. Amina bought the cupboard on hire purchase terms. She paid a deposit and twelve equal installments. Each installment was $ 262.50. How much deposit did she pay?
January 10, 2015

math
A salesman is paid a monthly salary of $6,000 and a 5% commission on goods he sells above $20,000 each month. In a certain month the salesman earned $13, 000. How much money was the sales of the goods that month?
January 10, 2015

math
Fifteen painters can paint a number of houses in 12 days .if the number of painters is increased by 5, how many days less would it take the painters working at the same rate to paint the houses?
January 10, 2015

math
area of cube = 6*81 = 486
January 9, 2015

math
A metal solid made up of a cylindrical bar fixed onto a cube. The cylindrical bar fixed onto a cube. The cylindrical bar is 20 cm long and has a diameter of 7 cm. Each side of the cube is 9 cm long. The surface of the solid was painted. What area in area in cm2 was painted? (...
January 9, 2015

math
A plot of land is in the shape of semicircle of diameter 28 meters. The plot fenced by erecting posts 4 meters apart. How many posts were used? (Take π =22/7)
January 9, 2015

math
In a cupboard there are pencils, rulers and books. The number of pencils is 15 more than that of rulers. The number of books is three times that of rulers. If the number of pencils is p,write the equation to represents the total number of items in the cupboard?
January 9, 2015

math
In a cupboard there are pencils, rulers and books. The number of pencils is 15 more than that of rulers. The number of books is three times that of rulers. If the number of pencils is p, which one of the expressions below represents the total number of items in the cupboard?
January 9, 2015

math
A fundraising meeting for Jako, Bula, Jane and Abdi raised $ 108,000. Jako got three times as much as abdi. Jane got two-thirds of Jako's share while Bula got half as much as Jako. How much did Bula receive?
January 9, 2015

math
A product that was originally priced at $2,000 had it'd price increased on June 1 by 5%. On December 1 the price was increased by 5% of the new June price. By how many dollars did the price increase on December 1?
January 6, 2015

Lotto
show me the next winning, the of winning 34,44,39,63,52 machine 16,35,77,66,80?
December 22, 2014

physics
20
November 2, 2014

Math
916:3= 305
October 30, 2014

math
when 3x -2x +1 is subtracted from 2x + 7x +5 the result well be
October 6, 2014

Coordinate geometry
Help me i this please the segment joining the midpoint of 2 sides f a triagle is parallel to the 3rd side and half as long. thaks
February 3, 2014

SCIENCE
The intensity level of sound A is 5.0dB greater than that of sound B and 3.0dB less than that of C. Determine the ratio(Ic/Ib) of the intensity of sound C to that of B.
October 28, 2013

physics
Provide me with an angle, because you ask inclination in a form of projectile.
October 28, 2013

Maths
3/4 -1/12=2/3
October 28, 2013

math explanation
916 : 3 =305
October 14, 2013

math explanation
6x 1 = 6
October 14, 2013

physical science
100.0 Kg for both skates
September 26, 2013

Physics
an airplane is flying in a horizontal of radius 1.0 km what must be the speed of the plane if the pilot is to experience a centripetal acceleration three times that of gravity.
March 8, 2013

Physics
NOTHING
December 5, 2012

Social Studies
Who organized trade in medieval cities and towns? (2 points) guilds clergy knights journeymen 2. What is a fief? (2 points) a ruler of the Franks a ruler in Charlemagne's empire land given in exchange for loyalty a Viking warrior 3. Christians and Muslims wanted to control...
November 27, 2012

7th grade science help Ms.Sue please help
hhhhhhhhhhhhhaaaaaaaaaa!!!!!!!!!!!!!!
October 10, 2012

health
It is recommended that a person ________ to manage and reduce stress.
August 8, 2012

math
In a random sample of 1,000 exams, the average score was 500 points with a standard deviation of 80 points. Find the interval about the sample mean such that the probability is 0.90 that the mean number lies within the interval.
May 25, 2012

physics
an ant walks 4 cm East, gets some rest, and continues for another 3 cm in the same direction. What is the total displacement traveled by the ant?
May 14, 2012

chemisrty
559.79
March 20, 2012

ISDS
True
March 13, 2012

Geometry
The Seinfeld's family room measures 19 feet by 30 feet. They are covering the floor with square tiles that measure 1 foot on a side and cost $0.68. How much will they spend on tile?
February 9, 2012

math
Part 1 In your own words, define the word “function.” Give your own example of a function using a set of at least 4 ordered pairs. The domain will be any four integers between 0 and +10. The range will be any four integers between -12 and 5.Explain why your example ...
November 30, 2011

math
use the names and ages of yourself and the other two people you selected. Make sure one is older than you and one is younger than you. In years, how old was the older person when you were born? Write an equation that models how old in years each of you will be, when your ages ...
November 24, 2011

Math
Calculate the minimum sample size required to find the 90% interval estimate for a population proportion if you want to be accurate within 2%.
November 11, 2011

math
Establish a 99% confidence interval for the population proportion if a sample of 200 had a sample proportion of 42%.
November 11, 2011

physical science
I need help on a problem that i asked about 3 hrs ago..please help!!
July 19, 2011

phys sci
the space shuttle orbits at an altitude of approximately 200 km above the surface of the earth. If the radius of the earth itself is 6380km, what is the acceleration due to gravity at the altitude ofthe space shuttle?
July 19, 2011

PHYSICS PLZ HELP!!!
If you have a curcuit consisting of 4 resistor of egual resistance senses and toltal voltage across all of them is 17v .what is the voltage across each of them?
May 16, 2011

Science
What is meant by the term "salting out" in the liquid-liquid extraction procedure?
March 14, 2011

physics
A skateboard track has the form of a circular arc with a 3.20 m radius, extending to an angle of 90.0° relative to the vertical on either side of the lowest point, as shown in Figure 8-24. A 67.0 kg skateboarder starts from rest at the top of the circular arc
February 22, 2011

physics
96
January 19, 2011

Science
Many
January 3, 2011

Chmistry
1.05x28g
October 11, 2010

physics
19.0
September 19, 2010

com 150
elect one of the essays from the Examples of Effective Introductions section in Effective Introductions and Conclusions. Which article did you choose? What type of introduction does the writer use? What is the impact of that kind of introduction in this essay?
March 24, 2010

com150
The Internet radically reduces the cost of creating, sending, and storing information while making that information more widely available. The Internet reduces search costs, allowing customers to locate products, suppliers, prices, and delivery terms. The Internet enables ...
March 24, 2010

history
thank u gurublue i have another quote please tel me the meaning for the majority of us the past is a regret the future an experiment by mark twain
January 3, 2010

history
what is the meaning of this quote you reap what you sow and how can i make a history event out of it thanks
January 3, 2010

history
event in history that relates to the quote its never to late to be what you might have been
January 3, 2010

chemistry
Good job contributing nothing GK. The answer is A.
May 17, 2009

my ailing relationship
my partner of two years just left me for another without any reason. i feel empty since and i request you to remember me in prayers so that we reunite in love and grace of the Lord
July 14, 2008

yes
u are correct... 1 pair in the 2s orbital and 1 in the 2p orbital (along with the other 2 bonding pairs)
May 28, 2008

Organic Chemistry
calculate how much sulfanilamide will remain dissolved n the mother liquor after the mixture is cooled to 0 degrees Celsius?
September 9, 2007

english
Select one of the essays from the Examples of Effective Introductions section in Effective Introductions and Conclusions. Which article did you choose? What type of introduction does the writer use? What is the impact of that kind of introduction in this essay?
September 5, 2006

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