Sunday
May 1, 2016

# Posts by GG

Total # Posts: 98

physics
A 0.280 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? (b) What fraction of the original kinetic energy (ΔKE/KE) ...
April 19, 2016

Algebra
A pilot flying at an attitude of 25,000 ft. The angle of depression from her position to the start of the runway is 2 degrees. How far is the airplane from start of the runway ( in ground distance)? Thank you
March 24, 2016

us history
Under the Articles of Confederation, states could not _____.
February 9, 2016

Physics
how would i do part b?
November 10, 2015

Physics
nevermind
November 10, 2015

Physics
what is Va? That is what is confusing me the most
November 10, 2015

Physics
I still don't understand what you are trying to say.
November 10, 2015

Physics
The initial velocity before A hit B was 40 m/s
November 10, 2015

Physics
a) What is the final speed of each asteroid? Express your answer as a vector. b) What fraction of asteroid A’s initial kinetic energy dissipates during the collision?
November 10, 2015

Physics
Two asteroids of equal mass collide as shown in the figure. After the collision, asteroid A’s trajectory is deflected by 30 degrees from its initial motion. Asteroid B is initially at rest and its final velocity makes a 45 degree angle with respect to the initial ...
November 10, 2015

Physics
November 10, 2015

physics
Henry u are everywhere i go
September 25, 2015

SS Help!
IT WOULD UPSET THE BALANCE???
April 11, 2015

SS Help!
April 11, 2015

Language arts
The correct answer was C fools
February 27, 2015

Physics
is the answer 3.64 hrs which is 6:38am ?
February 14, 2015

Physics
An airplane is travelling from Vancouver to Toronto following the jet stream. The plane cruised at an average speed of 1100 km/h for the 4000 km flight. How long did the flight take? If the plane left Vancouver at 3:00 am EST, what time did it arrive in Toronto? please show ...
February 14, 2015

Art
January 29, 2015

language arts
@ben the answer is 2 @Connexus Well that was no help at all LOLOLOL
January 27, 2015

language arts
@writeateacher the reason people r looking up the answers is so we wont read the book
December 15, 2014

language arts
@writeacher no one wants to read all that... we might as well shouldve read the book.....if u didnt no the answer u shuldnt have posted anything
December 15, 2014

2 math ?s
Thank you so much in advance! Verify each identity. Work one side (the harder side) Please show me the work sin θ +cos θ cot θ= csc θ Cos^2 θ + 1 =2cos^2 θ +sin^2 θ
December 3, 2014

Science!
so is the wright answer D)?
November 25, 2014

Chemistry
Mass of an empty flask and stopper is 55.844g. 5mL of an unknown liquid is added and heated in a water bath at 99.7 degrees C. It then cools down. The stopper is removed and then replaced. The weight of all of this is 56.101g. The volume of the flask is 248.1 mL. Barometric ...
October 21, 2014

Chemistry
All information comes from previous answers
October 7, 2014

Chemistry
---This was the previous one--- Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C is red. In the reactions in which they participate, they are reduced to A-, B-, and C- ions, all of which are colorless. When a solution of C is ...
October 7, 2014

Chemistry
Earlier I asked /display.cgi?id=1412727782 (tyvm btw) Say you have these A, B, and C solutions. Now you have an unknown colorless solution that contains either NaA, NaB, or NaC. In solution, each salt dissociates completely into the Na+ ion and the anion A-,B-, or C- (which ...
October 7, 2014

Chemistry
Any help would be greatly appreciated! Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C is red. In the reactions in which they participate, they are reduced to A-, B-, and C- ions, all of which are colorless. When a solution ...
October 7, 2014

Question 2.2. A book is given a sudden push to make it slide along a desktop. If the initial speed of the slide is doubled, by what factor is the distance that the book slides changed? (Points : 1) 0.5 0.25 2.0 4.0 Question 3.3. A 720 kg roller-coaster car starts off from ...
October 7, 2014

the cell
Which of these is the smallest structure? A. Dipeptide B. Amino acid C. Protein D. Polypeptide
April 22, 2014

gg
if company 2 lease/lease maintenance totals \$125,000 for the year and the company 1 spends 27% for the least maintenance how much is company 1 paying for their lease/maintenance?
April 16, 2014

ROCKS :D just want to make sure.
@Pm thxx those r rite
March 20, 2014

Math
March 10, 2014

History
number 3 is B
January 28, 2014

Math
if a line y= ax+b, then a is the slope and b is the y-intercept. here line is y=1/2 x+3 so slope is 1/2 and y-intercept is 3. it means that y increases 1 unit for every 3 units of x increases
January 11, 2014

Stuck on this Algebra 2 question!
solve it using matrix inversion method. AX=B, where A is the coefficient matrix 2 2 3 A= 3 5 4 2 3 4 X=[x y z]' and B =[-6 3 -10]' then X=(A^-1)B,that is A inverse*B answer is x=5, y=4, z=-8
January 11, 2014

Algebra
2. Let x be the numerator and y be the denominator. Given x = y - 3 Also (x + 5)/ (y + 5) = 3/4 Substitute x = y - 3 in the above equation we get (y + 2) / (y + 5) = 3/4 Cross multiply this we get y = 7 and substitute y in first equation gives x = 4 Thus the fraction is 4/7
January 9, 2014

Algebra
1. new number is 35 Let x is digit in 10th place and y be in unit place of original number. and the original number is 10x+y iven 10x+y=7(x+y)-3 Thus we get 3x-6y=-3 ......(i) The reverse of original number is 10y+x Also given 10y+x=10x+y-18, that is 9x-9y=18 ......(ii) ...
January 9, 2014

3. You travel from New Orleans, Louisiana, with the following vectors: • New Orleans à Point A: q = 180°, Δd = 483 km • Point A à Point B: q = 106°, Δd = 347 km • Point B à Point C: q = 106°, Δd = 347 km Remember: ...
November 22, 2013

science
Describe the motions that causes one day on earth
October 20, 2013

ha
An atom emits a photon of wavelength 1.08 meters. What is the energy change occurring in the atom due to this emission? (Planck's constant is 6.626 × 10È³Ê joule seconds, the speed of light is 2.998 × 10§ m/s)
October 11, 2013

america past and present
Viewing motion pictures
April 30, 2013

World Geography
February 19, 2013

Europe
Which of the following is the greatest concern for Eastern Europe? water pollution water availability desertification overpopulation
February 9, 2013

Math
If the width and length are both 13in what is the area of the triangle?
February 5, 2013

math
1,2,3,5,6,10,15,30
December 17, 2012

Chemistry
2507.241218
October 16, 2012

physics
A plane, diving with constant speed at an angle of 51.5° with the vertical, releases a projectile at an altitude of 654 m. The projectile hits the ground 6.40 s after release. (a) What is the speed of the plane? (b) How far does the projectile travel horizontally during ...
September 2, 2012

english
me too, the answer is A
July 25, 2012

English
May 6, 2012

Physics Help
While a person is walking, his arms swing through approximately a 45° angle in .530s. As a reasonable approximation, we can assume that the arm moves with constant speed during each swing. A typical arm is 70.0 cm long, measured from the shoulder joint. (a) What is the ...
February 16, 2012

Physics
While a person is walking, his arms swing through approximately a 45° angle in .530s. As a reasonable approximation, we can assume that the arm moves with constant speed during each swing. A typical arm is 70.0 cm long, measured from the shoulder joint. (a) What is the ...
February 16, 2012

Geometry
find the perimeter and area of a right triangle if the shortest side is 12mm and the longest side is 37mm,
January 11, 2012

world geography
shut up ms.sue
December 26, 2011

science
Which object is denser, 100cm cubed of wood that weights 61 grams, or 10 grams of water that has a volume of 10ml?
December 20, 2011

Economics
Ross Perot added his memorable “insight” to the debate over the North American Free Trade Agreement (NAFTA) when he warned that passage of NAFTA would create a “giant sucking sound” as U. S. employers shipped jobs to Mexico, where wages are lower than wages...
November 5, 2011

physics
Where are you getting 62.2 deg
October 13, 2011

Finance
There are various stakeholders in an organization. The two key stakeholders are the customers and the stockholders. Some financial managers believe that the customer is always right and an organization must do everything possible to win customer delight, thereby gaining a high...
October 7, 2011

Statistics
Consider the following multiple regression results. Using a= .05 as the significance level, identify all statistically significant predictors. In a relative sense, which variable has the strongest impact? What is the interpretation of the “constant” term? Independent...
September 5, 2011

Statisitics
As a marketing analyst, you are responsible for estimating the level of sales associated with different marketing mix allocation scenarios. You have historical sales data, as well as promotional response data, for each of the elements of the marketing mix. State the ...
September 5, 2011

Statisitcs
The president of a company that manufactures car seats has been concerned about the number and cost of machine breakdowns. The problem is that the machines are old and becoming quite unreliable. However, the cost of replacing them is quite high, and the president is not ...
August 30, 2011

statics
A manufacturer of golf equipment wishes to estimate the number of left-handed golfers. How large a sample is needed in order to be 90% confident that the sample proportion will not differ from the true proportion by more than 2%? A previous study indicates that the proportion ...
April 2, 2011

Physics
This was correct for me, thank you!
February 25, 2011

Statistic
11.5 Consider an experiment with four groups with eighth values in each. For the following ANOVA summary table, fill in all the missing results. Source Degree of freedom Sum of Square Mean Square(Variance) F ...
October 21, 2010

statistics
The Computer Anxiety Rating Scale (CARS) measures an individuals level of computer anxiety, on a scale from 20 (no anxiety) to 100 (highest level of anxiety). Researchers at Miami University administered CARS to 172 business students. One of the objectives of the study was to ...
October 21, 2010

phys
A 5g bullet is fired from a 5000g gun. If the bullet leaves the gun going +800m/s, with what speed does the gun recoil?
October 18, 2010

Science
A highway is to be built between two towns, one of which lies 98.0 km south and 24.0 km west of the other. (a) What is the shortest length of highway that can be built between the two towns, and (b) at what angle would this highway be directed, as a positive angle with respect...
September 1, 2010

spanish
faz de la tierra
August 31, 2010

math
Janet can shovel snow from her driveway in 55 min. Tom can do the same job in 30 min. How long would it taket Janet and Tom to shovel the driveway if they worked together?
April 21, 2010

chemistry
how do u calculate the specific heat of a metallic element if 314 joules of heat energy are needed to raise the temperature of 50.0g sample from 25.0 degrees Celsius to 50.0 degrees Celsius?
December 17, 2009

math-probability
The Probability that Jodi makes a basket when playing basketball is .50, Jamal’s probability is .80 and Pat’s is .75. What is the probability that all three make a basket?
November 30, 2009

Math
Can There Be Two Points On A line segment? Explain
November 2, 2009

Math
Can There Be Two Points On A line segment? Explain
November 2, 2009

science
how the particals behave in the reaction between iron and suiphur
October 13, 2009

literature
thats very wrong the answer is A duhh
August 4, 2009

litureature
so like does anybody here knows any of the answers or all of you are just dumb cuz all im reading is a bunch of chesse ~ps have a nice day :)
January 16, 2009

physics
THANK YOU!!
September 15, 2008

physics
The information on a one-gallon paint can is that the coverage, when properly applied, is 450 ft sq. One gallon is 231 cubic inches. What is the avg. thickness of the paint in such an application? Please explain how to do this. The answer should be in inches.
September 15, 2008

computer
an analyst identifies a delay in billing as a symptom rather than a problem, but he recommends that the project move on to the next stage. What phase of the systems development life cycle comes next?
July 27, 2008

social studies
efficiency in goverment
May 1, 2008

Math
?? This is a math question? It can be fever, cold, etc.
April 22, 2008

Mythology
Sword and scale are the only ones I found.
April 22, 2008

MATH
Please don't use the caps lock, it looks like you're screamign at us. Answer: 1^1, 2^2, 3^3, 4^4,...n^n ^ means to power of.
April 22, 2008

geometry
Martha works as a salesperson for momentum sales. she earns \$1,000 per month plus 15% commission on her sales. a. write an equation that expresses t, her income for one month as a function of x, her total sales for the month. b. River City Sales, another company in the same ...
February 22, 2008

Spelling
GGGGGOOODDD
February 15, 2008

Microeconomics-Algebra Calculation
Consider public policy aimed at smoking. Studies indicate that the price elasticity of demand for cigarettes in about 0.4. If a pack of cirarettes currently costs \$2 and the government wants to reduce smoking by 20 percent, by how much should the govenment increase the price? ...
December 5, 2007

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