Monday
September 22, 2014

Posts by Aaron


Total # Posts: 401

physics
A 10.0 kg mass is 1.00m to the left of the origin, and a 20.0 kg mass is 3.00 m to the right of the origin, both on x-axis. Find the gravitational potential energy and the gravitational field on x-axis at a) x =-2.0m b.) the origin, c.) x = 4.00 (set Zero P.E @ infinity in ...
October 2, 2011

earth
A satellite moves in a circular orbit about our earth exactly four times a day. Find its orbit, radius , speed and weight.
October 2, 2011

Algebra
What is 54 over 72 in simplest form
September 30, 2011

Algebra
What is 7u+3v-4 simplified using like terms
September 29, 2011

Algebra
A cat can jump the height of up to 5 times the length of it's tail.How high can a cat jump if it's tail is 13 inches long? Please write a multiplication or division equation
September 9, 2011

Math
What is 5+7x+2x-3+6 simplified, x+y+4x-3x+2y+3y simplified
September 6, 2011

Math
What is 2x+7+5x-4-x simplified
September 6, 2011

algebra
What is 2x+7+5x-x
September 6, 2011

7th grade math
Needing to write an algebraic expression, 14 less than the quantity k times 6 Then another one, I don't understand the books answer, 35 multiplied by the quantity r less 45
August 31, 2011

7th grade math
Is "quantity of" same as a multiplication problem?
August 31, 2011

science
two identical 200 gram balls of diameter 3.0 cm are 5.0 cm apart. each carries a charge of 6.5 micro coulombs. one of the balls is realesed. find its acceleration if gravitational force is negligible small?
August 19, 2011

6th grade math
Ok thank you I did get same thing
August 18, 2011

6th grade math
2 2/3 \ 1 5/6
August 18, 2011

writing
We are working on a worksheet asking if that part of sentence is a complete subject or complete predicate
August 17, 2011

writing
Is "a newborn kitten" considered a complete subject?
August 17, 2011

6th grade math
Ok.. Understand. Thank you
August 16, 2011

6th grade math
Length of of a side of a cube, if the volume is 1000 cubic meters?
August 16, 2011

6th grade math
I don't understand is I don't know any of the side as factors
August 16, 2011

6th grade math
Length of of a side of a cube, if the volume is 1000 cubic meters?
August 16, 2011

math
find the solution of the system of equations 10x-5y=-20 and 7x-5y=-20
August 10, 2011

math homework
log 7 (80)
July 10, 2011

physics
A 2.9-m nylon fishing line used to hold up a 5.2 kg fish has a diameter of 1.4 mm How much is the line elongated?
June 12, 2011

physics
Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth : An oak barrel with a lid of area 0.25 m^2 is filled with water. Along, thin tube of cross-sectional area 5.5×10−5 m^2 is inserted into a hole at the ...
June 12, 2011

english
i need to unscramble ahootnerr.
June 11, 2011

algebra
what is t=p+3r/6. (the slash is a divided sign)
May 24, 2011

geometry
you are to design, draw and label the dimensions of 3 boxes that will hold enough detergent to do 18 loads of laundry. Each scoop of detergent does one load. The size of the scoop is 3in.x2in.x2in. all work must be shown on the work page. At the bottom of the page select one ...
May 18, 2011

physics
A car has an initial speed of 23.0 ms-1. In addition, there is also wind blowing in direction similar to the car with a force of 30 N. If the brakes are applied and the car skidded for 10 meters before coming to a halt, determine the kinetic friction of one of the car’s ...
May 15, 2011

physics
A car has an initial speed of 23.0 ms-1. In addition, there is also wind blowing in direction similar to the car with a force of 30 N. If the brakes are applied and the car skidded for 10 meters before coming to a halt, determine the kinetic friction of one of the car’s ...
May 15, 2011

Women Studies
I have to explain it in 4 sentences, i think that will get me there. thanks alot.
April 26, 2011

college math 120
50 ft per .63 sec = 79.3651 ft per sec 79.3651 ft per sec = 54.112568 mph every 10 ft the speed drops 9 mph, so 54.112568 mph - (5 x 9) = 9.112568 mph I'm not sure I understood the question completely, but I think this is the right answer.
April 12, 2011

AC 323CT
. Harold Stevenson purchased substantially all of the business assets of the Troy Creamery on January 17. As part of the purchase price he paid $200,000 for the patent on an ice cream making process. Harold also pays $20,000 for the business's goodwill and another $20,000 ...
March 31, 2011

6grade math
How many millimicrons are in 2.5 meters
March 29, 2011

physics
A 1500 kg car moving at 10 m/s is stopped by the action of its brakes. The work done by the car's brakes is ____ Joules.
March 28, 2011

physics
A hunk of cast concrete with a weight of 10 N will float if it displaces 10 N of water. True or False
March 28, 2011

physics
The density of a solid ball with a mass of 231 g and a volume of 110 cm^3 is ____ g/cm^3.
March 27, 2011

physics
A hunk of cast concrete with a weight of 10 N will float if it displaces 10 N of water.
March 27, 2011

Trig
(2/y+2)+(3/y)=(-y/y+2)
March 22, 2011

physical science
If the asteroid is moving at a constant speed in its orbit, does this also mean it is moving at a constant velocity? Explain your answer.
March 21, 2011

physical science
Assume this asteroid has the shape of a sphere. A rock sitting on the surface of the asteroid has a weight of 100 newtons. What would the weight of this rock be if it were moved to a distance above the surface equal to the radius of the asteroid? It may be helpful to draw a ...
March 21, 2011

Chemistry
someeone answerrr thiss s
March 16, 2011

Physics
A single conservative force F(x) acts on a 1.6 kg particle that moves along an x axis. The potential energy U(x) associated with F(x) is given by U(x) = -2.9xe-x/3 where x is in meters. At x = 3.4 m the particle has a kinetic energy of 7.2 J. (a) What is the mechanical energy ...
March 7, 2011

Chemistry
A 20.0 ml sample of an unknown HCl solution requires titration with 15.0ml of 0.1MNaOH solution to reach equivalent point. What is the concentration of the HCl solution? HCl + NaOH ¨ H2O + NaCl A. 0.000075 B. 75 C. none of these D. 0.075
March 5, 2011

physics
Anyone? ive got a test tomoz and i need this answering
March 1, 2011

physics
The table shows the power ratings of four electrical appliances. Fan heater 2 kW Oven 3 kW Kettle 2 kW Microwave oven 0.75 kW The kettle is used for a total of 30 minutes a day. It has an efficiency of 0.9 What is the cost of the energy wasted by the kettle each day? 1 0.6 p 2...
March 1, 2011

Accounting
Starfax, Inc., manufactures a small part that is widely used in various electronic products such as home computers. Operating results for the fi rst three years of activity were as follows (absorption costing basis): In the latter part of Year 2, a competitor went out of ...
February 8, 2011

6 grade math
Dividing 22/7 / 5
January 10, 2011

Physics
A model airplane of mass 0.9 kg is attached to a horizontal string and flies in a horizontal circle of radius 5.2 m, making 1.2 revolutions every 8 s. (The weight of the plane is balanced by the upward “lift” force of the air on the wings of the plane.) The ...
December 21, 2010

Physics
A model airplane of mass 0.9 kg is attached to a horizontal string and flies in a horizontal circle of radius 5.2 m, making 1.2 revolutions every 8 s. (The weight of the plane is balanced by the upward “lift” force of the air on the wings of the plane.) The ...
December 21, 2010

Math
/Users/szeringue/Desktop/SCAN0001.JPG Can you help me solve this problem, Please AB=27 BC=x CD=4/3x AD=x AC=? How do I get what AC equals?
December 2, 2010

Math
/Users/szeringue/Desktop/SCAN0001.JPG Can you help me solve this problem, Please AB=27 BC=x CD=4/3x AD=x AC=? How do I get what AC equals?
December 2, 2010

chemistry
pKa=4.5
November 22, 2010

geometry
In an isosceles triangle ABis congruent to BC. Measure of angle A is x +3y and the measure of angle C is 3x +2y. The measure of angle C is 63 degrees. Find x and y.
November 15, 2010

Physics
1. Free-fall: A ball is thrown vertically upward. What are its velocity and acceleration when it reaches its maximum altitude? What is its acceleration just before it hits the ground?
November 10, 2010

Calculus I
Consider the function f(x)=((2)/(x^2))-((3)/(x^5)). Let F(x) be the antiderivative of f(x) with F(1) = 0. Find F(3).
November 6, 2010

4th grade
if jen has X pogs then we have the following: Marty: JEN x+6 : X X+6-10 :x+10 X-4 : X+10 then to find the difference we substract X+10 -(X-4) = 14 Jen has 14 pogs more than Marty
October 24, 2010

american gov
Of the roles that the press plays in the American political system, which is it least equipped to carry out properly? a. common-carrier b. signaler c. watchdog d. public-representative e. news interpreter i think its E but im not sure
October 8, 2010

math
An adult cheetah weighs about 130 pounds. An adult mountain lion weighs about 170 pounds. A sutdent estimates that a mountain lion weighs about twice as mush c as a cheetah. Is the estimate reasonable? Explain why or why not?
September 29, 2010

2nd grade
i need a sentence with the word slid
September 21, 2010

physics
Compute the order of magnitude of the mass of (a) a bathtub filled with water, and (b) a bathtub filled with pennies. In your solution list the quantities you estimate and the value you estimate for each.
September 20, 2010

Physics
A solar still is used to make fresh water from salt water by evaporation. Assume that during a summer day that 1000 BTU/ft sq of solar energy falls on the surface of the salt water. Determine how many inches of water are evaporated in 30 days. Assume that 1040 BTUs is needed ...
September 19, 2010

Physics
A nuclear power plant generates (output) 500 mw. It is 34% efficient. The waste heat going in the Connecticut River with an average flow of 3*10 exp 4 (kg/sec). How much does the water temperature rise?
September 19, 2010

Physics
Can you do this for 3m/s^2?
September 16, 2010

geometry
Find the measure of each exterior angle of a reguler 11-gon. round your answer to two decimal places if neccesary?
September 8, 2010

12th grade - Math
1x1=1x10000+9+9+9=10027
September 1, 2010

math
what is the largest whole number x for which 2x is less than 13.7?
August 26, 2010

12th grade-Advanced functions
the y-intercept of the graph of y=k(x-1)(x-2)(x-3) is 24 Determine the value of k.
July 30, 2010

12th grade-Advanced functions
Given that f(x)=g(x/3), describe how the graph of f and g are related?
July 30, 2010

12th grade-Advanced functions
Determine the vertical asymptotes of the graph of graph of y=secx/logx for x≤2pi
July 30, 2010

12th grade-Advanced functions
provide any 2 solutions for the equation y=cot(1/2(theta-pi/2))-5 solutions may be in degrees
July 19, 2010

Pre-Cal
Yes it does. I will multiply cos60 which is 1/2 by 500 and add 4 feet. And I would use cos because it is adj/hyp. Is that a fairly good explanation?
July 17, 2010

Pre-Cal
A person flying a kite holds the string 4 feet above ground level. The string of the kite is taut and makes an angle of 60 degrees with the horizontal. Approximate the height of the kite above level ground if 500 feet of string is payed out.
July 17, 2010

Chemistry
SO one unit as well? I don't really get it.
July 11, 2010

Chemistry
I am having big troubles on this question. What is the increase in acidity associated with a decrease of one unit on the pH scale?
July 11, 2010

trigonometry
Find the length of the arc that subtends an angle of measure 70 degrees on a circle of diameter 15 centimeters.
July 10, 2010

Stress Management Techniques
THIS WAS A GREAT HELP. KEEP POSTING AND SHARING FOR OTHER SUBJECTS ON THE PERSONAL TRAINER PROGRAM FOR PF. its a life saver!
July 3, 2010

maths
you want to make a flower bed in your garden. What shape would it be to make the biggest possible peramiter for an area of 214cmsq
June 16, 2010

English
Write an essay explaining how epics reveal a civilization's customs, manners, and values. Support your ideas with at least three references from The Odyssey.
June 8, 2010

3rd grade
What can I write about the heart?
May 29, 2010

Math
Round 1,643,253 to the nearest hundred thousand. I say it's 1,600,000 but the workbook says 1,700,000. Please explain.
May 21, 2010

math(answer quick!)
closed or 2-d im a kid so idk hope this helps
May 20, 2010

Chemistry
I have to figure out which Atmospheric Pressure and Vapour Pressure pairs would cause boiling.
May 17, 2010

Chemistry
In which pair(s) would boiling occur? (Each pair corresponds to one row of the table) a. 760 {mm,Hg} 700 {mm, Hg} b. 480 {torr} 480 {mm, Hg} c. 1.20 {atm} 912 {mm, Hg} d. 1020{mm,Hg} 760 {mm, Hg} e. 740 {torr} 1.00 {atm}
May 17, 2010

Chemistry
Use molar volume to solve the following problems at STP. Find the volume mL occupied by 0.400 mole He. Find the number of grams of neon contained in 10.2 L Ne gas
May 17, 2010

math
Suppose a jar contains 5 red marbles and 33 blue marbles. If you reach in the jar and pull out 2 marbles at random without replacement, find the probability that both are red.
April 22, 2010

physics
A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe is needed to obtain a fundamental frequency of 74 Hz? Answer in units of m.
April 1, 2010

Physics
If the speed of sound in air is 340 m/s, what is approximately the length of a shortest air column closed at one end that will respond to a tuning fork of frequency 140 Hz? Answer in units of cm.
April 1, 2010

Physics
If the speed of sound in air is 340 m/s, what is approximately the length of a shortest air column closed at one end that will respond to a tuning fork of frequency 140 Hz? Answer in units of cm.
April 1, 2010

chemistry
Calculate the molar heat of neutralization in kJ/mol of the reaction between HA and BOH given the following information: The temperature change equals 7C, 50 mL of 1 M concentration of Acid 50 mL of 1 M concentration of Base Heat capacity of the calorimeter is 6.5 J/C. ...
March 28, 2010

Math
What this person means is : cosQ = 5 and tanQ = 2sqrt6
March 23, 2010

College Chemistry
I don't have an answer.
March 21, 2010

Tennessee State University
How much heat is absorbed by the calorimeter if the temperature change is 12 C and the calorimeter constant (Heat Capacity) is 3.3 J/K?
March 21, 2010

Tennessee State University
How much heat is absorbed by the calorimeter if the temperature change is 12 C and the calorimeter constant (Heat Capacity) is 3.3 J/K?
March 21, 2010

Tennessee State University
How much heat is absorbed by the calorimeter if the temperature change is 12 C and the calorimeter constant (Heat Capacity) is 3.3 J/K?
March 21, 2010

physics
Two 72.0 kg hockey players skating at 5.25 m/s collide and stick together. If the angle between their initial directions was 125 degrees, what is their speed after the collision?
March 19, 2010

precalculus
an airplane flying at 550 miles per hour has a bearing of N 58(DEGREES)E. After flying 1.5 hours, how far north and how far east has the plane traveled from its point of departure?
March 11, 2010

Statistics
Ok please help me. Here is my stats question Suppose there is a 20% chance of striking oil at a certain location. An oil company drills at 5 different spots. What is the probablity of them striking oil on at least one of the spots? Any help is greatly appreciated
February 3, 2010

science
what is the biggest animal alive today
February 2, 2010

Math - Trigonometry
Math - Find the amplitude, period, phase shift - y=cosPi/2 (x+1/3)
February 1, 2010

Math - Trigonometry
Find the amplitude, period, and phase shift - y=cosð/2 (x+1/3)
February 1, 2010

Science
The basic units of heredity that determines traits are?
January 21, 2010

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