Tuesday

October 21, 2014

October 21, 2014

Number of results: 20,754

**English-(PLEASECHECK)**

What possible conflicts threaten the characters? My Answer- -Lennie getting into trouble(Curley,etc) -getting fired(the boss) -Curley and his wife -money -jobs -homes/shelter/food
*August 22, 2007 by Anonymous*

**history, current events**

in todays world can you name a conflict that is presently occurring in which a nation would like to expand into another nation or obtain more territory which has caused a conflict (Expansionist Nationalism)
*October 31, 2007 by kelly*

**world history**

describe conditions in Europe after World War I. the total of death, the cost of the war, homes,farm,factories, roads churches had been shelled into rubble.
*January 27, 2008 by Anna*

**Texas Colleges**

I would like to apply for scholarships. Is the site which was recently posted regarding college for all texans an online application site or did I misunderstand? I looked into it but could not find an application link.
*August 2, 2008 by jules*

**Biochemistry**

Is anyone familar with the equilibrium reactions that convert the ketone group of fructose into an aldehyde group so fructose give a positive Fehling's Test? I know it will as we received so in class but not sure how the reaction takes place.
*November 29, 2008 by Scott*

**physics**

please show me how to do this in steps. A track star in the long jump goes into the jump at 12 m/s and launches herself at 20.0degrees above the horizontal. What is the magnitude of her horizontal displacement? (assume no air resistance and that Ay= -g = -9.81 m/s^2) thanks :)
*February 11, 2009 by teamjakeward*

**Chemistry I**

A scuba diver's tank contains 0.23 kg of O2 compressed into a volume of 3.5 L. (a) Calculate the gas pressure inside the tank at 11°C. ________atm (b) What volume would this oxygen occupy at 20°C and 0.92 atm? ________L what are the formulas for this problem?
*May 17, 2009 by Elizabeth*

**Math**

I'm trying to create a graph in excel and how come when i put this into my graph (21.8(151.1)^-1)100 I get undefined and all my calculators on my computer also give me undefined however my ti 83 gives me an answer around 19
*June 4, 2009 by Math*

**computer**

Describe one technological device in 350 to 700 words. Include the following: When did it come (or will it potentially come) into existence? What scientific or technological reasoning explains how this potential has been (or can be) be reached?
*June 21, 2009 by Anonymous*

**Chemistry**

When combining Ca(OH)2 with Na2CO3 it entraps SO2 out of a gas stream from kiln emissions where ore is processed into nodules. When there is not enough Na2CO3 in this combination, will it not allow the solids to form out and settle?
*November 3, 2009 by Cheryl*

**Math**

If a ball is throw into the air with a velocity of 40ft/s its height in feet t seconds later is given by: y=40t-16t^2. Find the average velocity for the time period beginning when t=2 and lasting 0.5 seconds.
*January 6, 2010 by SC*

**Physics -energy**

A 80 kg diver steps off a 10 m tower and drops from rest straight down into the water. If he comes to rest 5.0 m beneath the surface, determine the average resistance force exerted on him by the water.
*February 18, 2010 by Nate*

**math214**

A student read about Volkswagen-packing in the 1960s. She asked about the maximum number of students that might have fit into a Volkswagen. How would you help her estimate an answer in a reasonable way?
*March 1, 2010 by alicia*

**Finance**

How much money must you pay into an account at the beginning of each of 11 years in order to have $5,000 at the end of the 11th year? Assume that the account pays 8% per year, and round to the nearest $1.
*August 27, 2010 by Anonymous*

**Physics 111**

A 66 kg diver steps off a 13 m tower and drops from rest straight down into the water. If he comes to rest 5.0 m beneath the surface, determine the average resistance force exerted on him by the water.
*October 14, 2010 by christoph*

**Chemistry**

A buret (initial and final buret reading were 2.20 mL and 11.86 mL) was used to deliver a sample of 2.1E-5 M stock dye into a 25.0 mL volumetric flask. The dye was then diluted with water to exactly 25.0 mL. Calculate the molarity of the resulting solution.
*October 26, 2010 by Mallory*

**physics please help**

A 8.6 kg board is wedged into a corner and held by a spring at a 50.0° angle, as the drawing shows. The spring has a spring constant of 186 N/m and is parallel to the floor. Find the amount by which the spring is stretched from its unstrained length.
*November 16, 2010 by tim*

**Physics**

A 220 kg wooden raft sits on a lake. When a 75 kg man stands on the raft, it sinks 4 cm deeper into the water. When he steps off, the raft vibrates for a while. a) What is the frequency of the raft? b) What is the total energy of the vibration?
*December 13, 2010 by Anonymous*

**calc2**

At what constant, continuous annual rate should you deposit money into an account if you want to have $1,000,000 in 25 years? The account earns 5% interest, compounded continuously. Round to the nearest dollar.
*May 16, 2011 by CJ*

**physics**

A small rectangular ferry boat is 3.33 m wide and 5.64 m long. When a loaded truck pulls onto it, the boat sinks an additional 3.25 cm into the river. What is the weight of the truck? The acceleration of gravity is 9.8 m/s2 . Answer in units of kN.
*June 17, 2011 by ryan*

**science**

Which of the following would result in the greatest erosion? A) creek flowing down a hill B) water sitting in a lake C) rain soaking into the ground D) large river flowing down a mountain
*September 12, 2011 by miki*

**math**

To save for a child's education,the petersen's deposited $2500 into an account that pays 6% annual interest compounded daily. Find the amount of interest earned on this account over a 20-year period.
*October 24, 2011 by Cliff*

**kite runner**

can someone help me answer in point form for these questions 1) describe Hassan physically? what is a cleft lip? 2) describe him by his relationship with amir? 3) what was his first word? why is that important? 4) how did he come into amir's life?
*November 7, 2011 by lalala*

**Physics **

Under the spreading chestnut tree the village blacksmith dunks a red-hot horseshoe into a large bucket of 22*C water. How much heat was lost by the horseshoe in vaporizing .00100 kg. of water?
*January 22, 2012 by Ben*

**Chemistry**

A sample of steam with a mass of 0.550 g and at a temperature of 100 degrees C condenses into an insulated container holding 4.40 g of water at 5.0 degrees C. Assuming that no heat is lost to the surroundings, what will be the final temperature of the mixture?
*January 25, 2012 by Becca*

**physics**

In a head on collision,a car stops in 0.18s from a speed of 29 m/s . The driver has a mass of 74 kg, and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second?
*February 18, 2012 by Anonymous*

**physics**

A physics student drops a book into a shaft 250m deep,where the average mine temperature is 5 degrees celsius.Show that the sound of the book striking the bottom is heard after 7.82 seconds
*April 19, 2012 by musuma*

**physics**

water density 1000 kg m3 falls without splashing at a rate of .37 L/s from a height of 45.3 m into a .610 kg bucket. if the scale is originally empty, what does the scale read 1.76 s after the first drop contacts the bucket?
*May 4, 2012 by Anonymous*

**physics**

A vibrating 400.0Hz tuning fork is placed in fresh water. What is the frequencyin herbs and the wavelength in meters (A) within the water at 25c (B) when the sound waves move into the air at 25c
*May 20, 2012 by Melissa*

**Math Please help!!**

2. Mrs. Whimsey’s class is having a pizza party. If there are 16 students and 4 pizzas cut into 8 slices, what answer choice represents the fraction of one pizza each student receives? a) 1/3 b)1/16 c)1/4 d)1/8 Please help :)
*October 23, 2012 by Esther*

**physics**

The spring of the pressure gauge shown in the figure below has a force constant of 1,160 N/m, and the piston has a radius of 1.22 cm. As the gauge is lowered into water, what change in depth causes the piston to move in by 0.750 cm?
*November 3, 2012 by keli*

**physics**

a 60.00-kg athlete leaps straight up into the air from a trampoline with an intial speed of 9.0 m/s. The goal of this problem is to find the maxiumum height she attains and her speed at half maximum height. what are the interacting objects and how do they interact?
*November 3, 2012 by yue xing lu*

**physics**

The spring of the pressure gauge shown in the figure below has a force constant of 1,080 N/m, and the piston has a radius of 1.43 cm. As the gauge is lowered into water, what change in depth causes the piston to move in by 0.750 cm?
*November 26, 2012 by dale*

**Copperbelt international college **

A chord PQ of length 5.6cm divides a circle of radius 3.5cm into two segments.calculate the difference in areas between major and minor segment in the circle of chord PQ.
*February 15, 2013 by !@#$%^&aak*

**physics**

A 1,600 kg car traveling north at 10.0 m/s crashes into a 1,400 kg car traveling east at 15 m/s at an unexpectedly icy intersection. The cars lock together as they skid on the ice. What is their speed after the crash?
*February 15, 2013 by shaquille*

**geometry**

The ratio of two similar prisms is 2:5 the volume of the larger is 375cm3 if sand is being poured into the smaller prism at 3cm3 per second how many seconds will it tAke to fill the smaller prism?
*April 7, 2013 by Olivia *

**Physics**

A person hums into the top of a well and finds that standing waves are established at frequencies of 150, 210, and 270 Hz. The frequency of 150 Hz is not necessarily the fundamental frequency. The speed of sound is 343 m/s. How deep is the well?
*April 10, 2013 by hou*

**math**

Solve for x 2^x+1 - 2^x = 112 Put this in exponent form: (3¡îx)(¡îx©ø) Put into equation form: Horizontal stretch of 2, up 3, left 6, reflection on x-axis. Please help me with these three so I can work on the rest using these as examples. Thanks so much for your help!!!!:)
*April 18, 2013 by Nancy*

**Calc**

(1/1+(4/n))(4/n)+(1/1+(8/n))(4/n)+(1/1+(12/n))(4/n)+....+(1/1+(4n/n))(4/n) is a right Riemann Sum for a certain definite integral. Integral 1 to b, f(x) dx. using a partition of the interval [1,b] into n subintervals of equal length. Then the upper limit of integration must be...
*June 20, 2013 by Anon.*

**Physics **

Hi Radioactive decay - A radioactive nuclide has a decay constant of - 10^-6 s-1 what is its half life ? I have come up with is IN (2) / 0.000001 s-1 = 693147.18055 which iam having troube working into real figures Can anyone help please .. thanks
*August 24, 2013 by Freddo*

**Physics ... **

Hi Radioactive decay - A radioactive nuclide has a decay constant of - 10^-6 s-1 what is its half life ? I have come up with is IN (2) / 0.000001 s-1 = 693147.18055 which iam having troube working into real figures Can anyone help please .. thanks
*August 24, 2013 by Freddo*

**phyics**

A 11.7-kg uniform board is wedged into a corner and held by a spring at a 50.0° angle, as the drawing shows. The spring has a spring constant of 230 N/m and is parallel to the floor. Find the amount by which the spring is stretched from its unstrained length.
*November 12, 2013 by MATT*

**Physics **

A rock is thrown into a railroad car standing on a level frictionless track. If the rock has a mass of ms = 1.100 kg and is tossed with a velocity v = 6.3 m/s, how far up will the car go (mc = 5.400 kg) before stopping? Please explain
*January 4, 2014 by Harriet*

**Calculus**

A trough is 15 ft long and 4 ft across the top, as shown in the figure. Its ends are isosceles triangles with height 3 ft. Water runs into the trough at the rate of 2.5 ft^3/min. How fast is the water level rising when it is 2 ft deep?
*February 6, 2014 by Charlie*

**A Peculiar Question**

Is either a B+ or an A- considered a terrible grade? If I received a B+ for two essays that I was assigned and then an A- for another, will these grades ultimately cause a decrease in my GPA? I want to enter into either a film or art college, and I want to retain my 4.0 GPA ...
*March 19, 2014 by Anonymous*

**Calculus Help Please!!!**

A stone is dropped into a lake, creating a circular ripple that travels outward at a speed of 40 cm/s. Find the rate at which the area within the circle is increasing after each of the following. after 1 s = after 3 s = after 7 s =
*April 2, 2014 by Tim*

**math**

A total of 800m of fencing material is used to enclose a rectangular field and to divide the field into four partitions by fences parallel to the width of the field. Find the dimensions of the largest are of the field that can be fenced.
*July 26, 2014 by dsadsad*

**physics**

A car is traveling at 20.8 m/s when the driver sees a dog run out into the street. From the time the driver applies the brakes, it takes 3.58 s for the car to come to a stop. What is the average acceleration during that period?
*September 17, 2014 by Mario*

**Physics**

A Volkswagen runs straight off a cliff. The Volkswagen is traveling at a speed of 39.0 m/s when it leaves the road. If the cliff is 16.0 m high, how far horizontally does the car travel before it smashes into the ground below?
*October 1, 2014 by Maxine*

**English**

Here are the other sentences I changed into indirect speech. 1)Arthur said that that was where Christ’s blood had been kept after he had been crucified. Two knights soon declared the wanted to look for the Grail for one year and one day. 2)In 537 Arthur had to go to distant ...
*September 8, 2011 by Henry2*

**Socials**

Earning A living Upper class -luxury -prosperity -superior positions Middle class -merchants -trade -farming -household Working Class -poverty Is there more info I could add into either one.
*December 1, 2009 by Sara*

**Physics**

A baseball player slides into third base with an initial speed of 8.45 m/s. If the coefficient of kinetic friction between the player and the ground is 0.40, how far does the player slide before coming to rest? How do I begin to solve this problem?
*February 14, 2010 by Robert C*

**physics**

You throw a 20-N rock vertically into the air from ground level. You observe that when it is 15.0 m above the ground, it is travelling at 25.0 m/s upward. Use the work-energy theorem to find a) its speed just as it left the ground; b) its maximum height.
*February 21, 2010 by anton*

**physics 1**

A 103-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is ìk = 0.729. (a) What is the magnitude of the frictional force? (b) If the player comes to rest after 1.27 s, what is his initial speed?
*February 18, 2014 by Anonymous*

**Calculus **

Suppose a ball is thrown straight up into the air, and the height of the ball above the ground is given by the function h(t) = 6 + 37t – 16t2, where h is in feet and t is in seconds. At what time t does the ball stop going up and start returning to earth?
*October 17, 2014 by Mary*

**Physics**

A man stands on the roof of a 15m tall building and throws a rock with a velocity of magnitude 30m/s at an angle of 33deg above the horizontal. Ignore air resistance. Calculate: a) the maximum heigh above the roof reached by the rock b) the magnitude of the velocity of the ...
*September 27, 2011 by Kyle*

**Science**

1. Which of the following describes the correct sequence of the movement of food during digestion? stomach, large intestine, small intestine *** mouth, esophagus, small intestine esophagus, stomach, small intestine small intestine, stomach, large intestine 2. Compare the two ...
*May 10, 2014 by Anonymous*

**chemistry**

From the following combustion: 1-butanol + oxygen+ carbon dioxide + water. How many grams of carbon dioxide and water are produced when 130.6 grams of 1-butanol is completely burned? I wrote out the equation and got C4H10) + 02= CO2 + H2O. i balanced the equation and got ...
*November 29, 2009 by Turtle Lover*

**math**

Describe how to transform the graph of f into the graph of g. f(x)=2^x and g(x)=2^x-3 I don't know how to do this step by step :(
*January 10, 2013 by hana*

**math**

A whole number which will divide exactly into another whole number.
*June 5, 2013 by kina*

**Algebra**

Convert these solutions into an inequality A)[3, infinity) b)(-infinity, -2] U (3,18) C)(-infinity, 5] U (8, infinity)
*August 25, 2013 by megan...Help*

**MATH**

When a concrete structure is built, and engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with bottom diameter 200mm, top diameter 100mm and height 300mm with concrete. The ...
*September 28, 2010 by Anonymous*

**MATH**

When a concrete structure is built, and engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with bottom diameter 200mm, top diameter 100mm and height 300mm with concrete. The ...
*September 28, 2010 by Anonymous*

**bus**

You have recently been hired as a new manager hired into a failing division in a company. The product line is outdated and losing market share, inter-departmental communication is adversarial, and competition for corporate funding is fierce. How are you, a new individual, ...
*February 25, 2010 by cmills*

**business**

You have recently been hired as a new manager hired into a failing division in a company. The product line is outdated and losing market share, inter-departmental communication is adversarial, and competition for corporate funding is fierce. How are you, a new individual, ...
*November 1, 2010 by bryan*

**AP Physics B**

can you check my reasoning 1. The problem statement, all variables and given/known data ok well then... we did a lab were you have a hanging mass attached to a stirng that went through a straw and was attached to a rubber stopper. The lab was to find the mass of the rubber ...
*September 13, 2009 by AP Physics B*

**math: and i really need help**

You plug a microwave into a 20-ampere (amp) electrical circuit. The microwave use up to 12.5 amps. At most, how many amps are availible for other appliances? 20 - 12.5 = ?? amps
*October 24, 2006 by pinkpolkadots7*

**confused calc**

dy/dx=2y^2 and if y=-1 when x=1, then when x=2, y=? (you already posted this, but i still don't get it) dy/dx = 2y^2 Integrating...y=2/3 y^3 + C put 1,-1 into the equation, and solve for C c=-1/3 so the equation is y=(2y^3)/3-1/3 then i have to find what y equals when x=2. how...
*December 12, 2006 by david*

**Math/spanish**

how do you translate the number 501,289 into the spanish written form? (five hundred one thousand two hundred eighty nine)in spanish?
*September 10, 2007 by Meredith*

**science**

If waste products of an aquatic single celled organism were released by the organism into the pond, how would that affect the organism’s ability to obtain oxygen from the pond water?
*October 17, 2009 by sammi*

**Chemistry**

A sample of low-fat margarine is heated and seperates into two layers. Identify the top and bottom layers and explain why the top layer rises to the top
*November 1, 2010 by Anonymous*

**physics**

A bullet of mass 15 gm is shot horizontally into a 15 kg block of wood attached to a spring of spring constant 1000 N/m. The force of the impact compresses the spring 10 cm. What is the velocity of the bullet?
*November 13, 2010 by kwaku*

**chemistry half reactions**

How do i solve this half reaction with Mg(OH)2(s) --> Mg(s)? Complete and balance the displayed half reaction in basic aqueous solution taking into account the electrons. Mg(OH)2(s) → Mg(s)
*November 23, 2010 by Confused*

**Math**

A class has 12 students. In how many different ways can the students be put into lab groups consisting of 3 students in each group. The answer in the book is 369600. But I do not understand how they got this answer.
*January 26, 2011 by KC*

**spanish/chech**

translate to spanish our father's office -la oficina de nuetro padre 2-translate the possesine adjective in parentheses into spanish -su escuela(their) can you check my answer thank you
*September 13, 2011 by mike *

**physics**

A 3.00-kg blob of putty moving at 2.40 m/s slams into a 4.80- g blob of putty at rest. Calculate the speed of the two stuck-together blobs of putty immediately after colliding
*February 27, 2012 by jim*

**Math**

I am not sure how to convert my Cartesian xyz-coordinates into meters. x = 0.666 y = 0.666 z = 0.327 a = 6,377,563.396 meters b = 6,356,256.910 meters
*March 1, 2012 by Kayla*

**Calculus**

Verify please and thank you~ Does the line (x-7)/3=(y+8)/6=(z+4)/5 and the point P(10,-2,1) determine a plane? Answer: Yes, it is a plane because when I substituted the point P(10,-2,1) into the equation, I got the coordinates (1,1,1) If the coordinate became to be (0,0,0) ...
*April 8, 2012 by Jenny*

**Chemistry**

For the reaction below, Kp = 1.16 at 800.°C. CaCO3(s) CaO(s) + CO2(g) If a 25.0-g sample of CaCO3 is put into a 10.2-L container and heated to 800.°C, what percent of the CaCO3 will react to reach equilibrium?
*May 12, 2012 by Andrew*

**physics**

A 10kg runaway grocery cart runs into a spring with spring constant 260 n/m and compresses it by 50 cm . Part A What was the speed of the cart just before it hit the spring?
*August 7, 2012 by shari*

**physics**

A cylindrical 7.25 kg pulley with a radius of 0.864 m is used to lower a 7.13 kg bucket into a well. The bucket starts from rest and falls for 4.51 s. What is the linear acceleration of the falling bucket? The acceleration of gravity is 9.81 m/s^2.
*November 27, 2012 by Alyssa*

**physics**

a train goes into a tunnel at 20m/s and emerges from itat 55m/s. the tunnel is 1500m long.assuming constant acceleration the time for which the train moves in tunnel is
*October 11, 2013 by teja*

**Bio Chemistry **

There are two main ways in which molecules are transported into and out of cells - active transport and passive transport. Which of the following statements is true of passive transport?
*February 20, 2014 by Anonymous*

**math**

A stick is cut into three pieces,each having a different length.Each piece(except the shortest)is twice as long as another piece.What fraction of the whole stick is each piece?
*October 8, 2014 by haya*

**psychology**

Parents brought a four year old adopted daughter to see a psychiarist. The child was polite i greeting but did not smile and kept her gaze down as she took a seat. The parents explain their concerns. They described the child as quiet and who nows throws temper tamtrms, during ...
*May 1, 2011 by deb*

**Estimating DecimalsProducts and Quotients**

Determine whether each product or quotient is resonable.If not resonable,find a resonable result. 1. 62.77(29.8)=187.0546 2.16.132/2.96=54.5 The numbers are correct except for the decimal places. The first one looks like 60*30 or 1800, so determine where the decimal should be...
*October 9, 2006 by Bowier4*

**Math**

Part 1. A stock is selling today for $40 per share. At the end of the year, it pays a dividend of $2 per share and sells for $44. What is the total rate of return on the stock? What are the dividend yield and capital gains yield? Part 2. Suppose the year-end stock price after ...
*March 21, 2007 by Antoinette*

**BIOLOGY**

Please tell me if I am getting them right? PLEASE HELP In a moist area of the woods, you see a mass of small, green plants with tall, thin, non-green projections coming from their centers. These plants are probably A. seed-bearing. B. nonvascular. *** C. drought-resistant ...
*August 10, 2011 by Sabby*

**Calculus**

Find the range of y = (3x-1)/(2x^2 + x - 6) I was going to take the derivative of the numerator and denomenator and then use the quotent rule to find the derivative of the function and find the critical values but I ran into the imaginary number during the proess and am ...
*July 25, 2010 by Kate*

**science grade 5**

how is heat related to temperature? Temperature tells us the DEGREE of heat; i.e., how hot is something. A temperature of 98.6 F is normal body temperature. A hot day is when the temperature is 95 degrees F. A cold day is when it is freezing outside. But the heat something ...
*November 15, 2006 by kathy*

**Grammar and Composition**

Is there any one who can help me on this assignment? Please let me know, so I can start working on it step by step. DESERTED ISLAND ESSAY The format of this essay should be based on the Five-Paragraph Essay format. Use the following suggestions to create an island, details, ...
*December 14, 2009 by y912f*

**business-economics**

Suppose that there is a common resource of size y in a two period society. Each of two citizens, one and two, can withdraw a nonnegative amount c1 or c2 for consumption in period one, provided that c1+c2 <=y . In the event that they attempt to consume in excess of what is ...
*September 14, 2011 by quynh*

**Math**

2/5=what I assume you are looking for a decimal. Just divide 5 into 2, and the answer will be the decimal. However, if you are looking for a percentage, multiply the decimal by 100. I hope this helps. If not, repost with a clearer question. Thanks for asking.
*April 12, 2007 by Amanda*

**geography check**

the atmosphere:A)creayes tides b)has no effect on heat gain or loss c)allows heat to escape quickly D)keeps heat from escaping too quickly into space. i choose b
*August 8, 2009 by henry*

**Math **

If a ray divides an angle into two acute angles, then it bisects the original angle Find the maximum area of a rectangle with the perimeter of 54 cm. Do ray CD and ray CE form line DE?
*November 1, 2009 by Anonymous*

**Physics**

An arrow is shot into the air at an angle of 60.3° above the horizontal with a speed of 20.1 m/s. What are the x- and y-components of the velocity of the arrow 3.4 s after it leaves the bowstring? What are the x- and y-components of the displacement of the arrow during the 3.4...
*February 8, 2010 by Max*

**physics**

An arrow is shot into the air at an angle of 61.8° above the horizontal with a speed of 21.6 m/s. (a) What are the x- and y-components of the velocity of the arrow 3.1 s after it leaves the bowstring? (b) What are the x- and y-components of the displacement of the arrow during...
*February 14, 2010 by jenn*

**college physics**

A box on a frictionless surface is pulled back a distance x into a spring with spring constant k and released. What is the formula for the kinetic energy of the box after it leaves the spring?
*September 11, 2010 by Charlie*

**Math**

Going into the final exam which will count as two-thirds of the final grade, Mike has test scores of 86,80,84,and 90. What score does he need on the final to earn an average score of 80? Is this right: (86+80+84+90)/4 = 80 2/3x(85)= 80 or ((86+80+84+90+(2/3x))/5 = 80
*September 17, 2010 by Amy~*

**PHYSICS**

An arrow is shot into the air at an angle of 59.6° above the horizontal with a speed of 21.5 m/s. (a) What are the x- and y-components of the velocity of the arrow 3.1 s after it leaves the bowstring? vx = m/s vy = m/s (b) What are the x- and y-components of the displacement ...
*September 21, 2010 by Kacy*

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