Thursday

November 26, 2015
Total # Posts: 90

**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**

SOMEONE ANSWER THIS QUESTION
*November 10, 2015*

**physics**

Henry u are everywhere i go
*September 25, 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**

The answer is A
*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*

**Physics Help Fast Please :)**

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**

I would gladly answer your question but you need the function.
*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*

**College Mathematics**

0-97
*January 5, 2014*

**Please help!- Physics**

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*

**Chemistry**

2.44e9
*November 15, 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**

omg just tell me the answers please
*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*

**psychology**

ggg
*November 16, 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**

WHAT IS THE FFFFF ANSWER????????????????????????
*May 6, 2012*

**physics**

1760
*March 11, 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*

**4th Grade - Science Fair Project**

9yt
*November 9, 2010*

**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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