
Physics
Two point charges, +Q and Q of mass m, are placed on the ends of a massless rod of length L, which is fixed to a table by a pin through its center. If the apparatus is then subjected to a uniform electric field E parallel to the table and perpendicular to
asked by Taylor on February 28, 2012 
physics
A test rocket is launched by accelerating it along a 200.0{\rm m} incline at 2.24{\rm m/s^2} starting from rest at point A (the figure (Figure 1) .) The incline rises at 35.0 ^\circ above the horizontal, and at the instant the rocket leaves it, its
asked by Anonymous on September 15, 2012 
Physics
Assuming that the Earth is spherical and recalling that latitudes range from 0° at the Equator to 90° N at the North Pole, how far apart, measured on the Earth's surface, are Copenhagen (55.67° N latitude), and Rome (41.90° N latitude)? The two cities
asked by Martha on June 15, 2012 
English
Writeacher, I need you to check these things I need to include in an email. Thank you. 1) He has just received your principal's email and he is very pleased our schools will be working together on the accomplishments of various didactic (??) projects. I'm
asked by Matthew on March 17, 2012 
hum130
Find two Web sites dealing with indigenous cultures and/or religions. Discuss how modern civilization has impacted the spiritual lives of the indigenous peoples you explored. Are the indigenous religions still being practiced today? If so, how have the
asked by luis on June 30, 2009 
Alg 1
Factoring to solve quadratic equations: Use the ZeroProduct Property to solve each equation. Write your solution in roster form: The volume of a storage tub shaped like a rectangular prism is 24 ft^3. The height of the tub is 3 feet. The width is w feet
asked by Jane on April 8, 2013 
Physics
A sphere of mass 3.75 grams is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 32.9° with the vertical. Find the magnitude of the push from the breeze. Answer in Newtons. I know that there are
asked by Mister R on July 2, 2015 
Physics
Three objects with masses m1 = 7.4 kg, m2 = 11 kg, and m3 = 18 kg, respectively, are attached by strings over frictionless pulleys (M1 hangs off the left side of the table and M3 hangs off the right side of the table with M2 between them on the table). The
asked by Dug on October 22, 2012 
English Expressions
What is the bad point of TV? We cannot take exercise regularly. What are bad points of TV? It stops us from reading books. What is the demerit of watching TV? It broadcasts violencerelated programs, wich are bad for children. What is the shortcoming of
asked by John on November 29, 2007 
Physics
A certain type of propeller blan can be modeled as a thin uniform bar 2.50 m long and of mass 24.0 kg that is free to rotate about a frictionless axle perpendicular to the bar at its midpoint. if a technician strikes this blade with a mallet 1.15 m from
asked by Sarah on June 25, 2009 
drwl please check
a skateboarder moving at v = 5 m/s along a horizontal section of a track that is slanted upward by 48° above the horizontal at its end, which is h = 0.52 m above the ground. When she leaves the track, she follows the characteristic path of projectile
asked by Mary on February 27, 2007 
college algebra
QUESTION 14 The game commission introduces 100 deer into newly acquired state game lands. The population N of the herd is modeled by where t is the time in years. Find the populations when t=40. (Round your answer to the nearest whole number.) 1,442 deer
asked by Betty on May 6, 2016 
Physics
The drawing shows a skateboarder moving at 6.41 m/s along a horizontal section of a track that is slanted upward by 47.4 ° above the horizontal at its end, which is 0.612 m above the ground. When she leaves the track, she follows the characteristic path
asked by John on December 14, 2012 
physics
A tallest vocano in the Solar System is the 24 km tall Martian volcano, Olympus Mons. Assume an astronaut drops a ball off the rim of the crater and that the free fall acceleration remains constant throughout the ball's 24 km fall at a value of 3.7m/s^2.
asked by Anonymous on September 15, 2007 
physics
The drawing shows a skateboarder moving at 5.34 m/s along a horizontal section of a track that is slanted upward by 47.7 ° above the horizontal at its end, which is 0.795 m above the ground. When she leaves the track, she follows the characteristic path
asked by Alexander on February 26, 2012 
Statistics
x3 = −16.2 + 4.0x1 + 9.4x4 − 1.3x7 Suppose that n = 14 data points were used to construct the given regression equation and that the standard error for the coefficient of x4 is 0.963. Construct a 90% confidence interval for the
asked by Amy on May 6, 2019 
Environmental Science
1. How has the size and location of big cities changes since the year 1900? 2. Describe the major problems in today's large cities and the cause of these problems. 3. What can be done to help solve these problems? 4. You may never live in a big city, but
asked by lisa on February 24, 2010 
Chemistry
A strip of zinc metal was placed in a beaker that contained 120mL of a solution of copper(2) nitrate, Cu(NO3)2(aq). The mass of the copper produced was 0.813g. Find the initial concentration of the solution of copper(2)nitrate. Can u help me out with
asked by Kristien on March 5, 2013 
Math
Could I please get some help for these 3 questions, apologies for asking so many, but they were the ones I was really unsure of: 1. Find an equation for the line tangent to y=ln(x) and that goes through the origin. I have no idea, the ln(x) stuff is
asked by Bob on January 6, 2016 
American Literature
We read the poem "Verses Upon The Burning Of Our House" By Anne Bradstreet. I need to find text in the poem that either shows that she really did miss all her possessions like her books and unpublished poems, or that material items really did not matter to
asked by Anonymous on October 6, 2011 
math last set up
To secure a 618 meter radio tower against high winds, guy wires are attached to a ring 10 meters from the top of the tower. Each wire is anchored 90 meters from the base of the tower. Find the measure of the angle the wire makes with the ground. Round your
asked by luis on May 22, 2014 
Economics
Question 3: Suppose an individual has the following utility over consumption: u(x) = x 1 2 . The individual currently earns $2,500 per month, which is spent to finance consumption. Suppose the individual is ofered a job with a new internet company. The new
asked by dhanani on October 15, 2010 
tempe
An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 24.5 years of age. If the standard deviation is assumed to be 4.1 years, find the probability that a random sample of 32 U.S. women would
asked by Paul on March 5, 2013 
Math Systematric Trial
Hey everybody, I really need help solving these math equations. Thank YOU! For helping me! Use Systematic trial to find the value of each variable. a) 5+7c=89 b) 26=5+3e c) 8k16=200 d)5256u=339 Write each sentence as an equation. Solve each equation. a)
asked by Harmony Ann on February 23, 2014 
Statistics
A private medical clinic wants to estimate the true mean annual income of its patients. The clinic needs to be within $100 of the true mean. The clinic estimates that the true population standard deviation is around $2,100. If the confidence level is 95%,
asked by Jason on April 15, 2012 
Math
Suppose that an object is 100 lbs when it is at sea level. find the value of c that makes the equation true. (Sea level is 3963 miles from the center of the earth.) Use the value of c you found in the previous question to determin how much the object would
asked by Gamel on March 10, 2008 
Statistics
An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 24.5 years of age. If the standard deviation is assumed to be 4.1 years, find the probability that a random sample of 32 U.S. women would
asked by Paul on March 5, 2013 
Chemistry
This is a question I am presently doing right now which I found in my homework. I am quite sure that in (a) I have to use the Hasselbach equation though I am not sure how to work it out. If anyone knows any of the answers, and how you got to them, please
asked by Matthias on September 29, 2012 
College Physics
A horizontal pipe has a cross sectional area of 40.0 cm^2 at the wider portions and 10.0 cm^2 at the constriction. Water is flowing in the pipe, and the discharge from the pipe is 6.00*10^3 m^3/s(6.00 L/s). Find (a) the flow speeds at the wide and the
asked by Jen on November 13, 2007 
Socials Studies *URGENT*
Research Territory, Food, Shelter, Transportation and Effect of European contact for Ojibwa, Assiniboin, Cree, Chipewyan, Inuit. Please help this is URGENT. I can't seem to find "Effects of European contact" for any of the groups. Although I don't quite
asked by John on March 25, 2010 
physics
A horizontal pipe has a cross sectional area of 40.0 cm^2 at the wider portions and 10.0 cm^2 at the constriction. Water is flowing in the pipe, and the discharge from the pipe is 6.00*10^3 m^3/s(6.00 L/s). Find (a) the flow speeds at the wide and the
asked by Jen on November 13, 2007 
Math
A model rocket is launched vertically upward so that its height (measured in feet) t sec after launch is given by the following. h(t) = 16t2 + 272t + 8 (a) Find the times when the rocket is at a height of 488 ft. t = sec (smaller value) t = sec (larger
asked by Talbert on June 21, 2013 
calc 2
A spherical tank of radius a feet is buried in the ground. The top of the tank lies b feet below the surface of the ground.(δ=64lbs/ft^3)Find a definite integral whose value equals total work done in emptying the tank through a pipe whose opening is at
asked by josh on November 15, 2015 
cal3/algebra help me!
Find and classify all local minima, local maxima, and saddle points of the function f(x,y)= 3yx^23xy^2+36xy I really need help answering this one!! Please answer in detail! Thank you This is what I have so far... D=FxxFyy(Fxy)^2=(6y)(6x)(6x6y+36)^2
asked by Lucy on February 27, 2012 
Math/Physics
A blockandtackle pulley hoist is suspended in a warehouse by ropes of lengths 2 m and 3 m. The hoist weighs 340 N. The ropes, fastened at different heights, make angles of 50° and 38° with the horizontal. Find the tension in each rope and the magnitude
asked by #1 on July 23, 2019 
Chemistry
This is a question I am presently doing right now which I found in my homework. I am quite sure that in (a) I have to use the Hasselbach equation though I am not sure how to work it out. If anyone knows any of the answers, and how you got to them, please
asked by Matthias on September 29, 2012 
stats
a captain claims that at least 85% of the residents in his barangay have household pets. to test this claim a researcher randomly selected a sample of 550 residents and find that 495 of them do have household pets. at 0.05 level of significance. formula
asked by Anonymous on March 3, 2015 
Math
a piece of a broken circular gear is brought into a metal shop so that a replacement can be built. a ruler is placed across two points on the rim, and the length of the chordd is found to be 14 inches. the distance from the midpoint of this chord to the
asked by Matty on April 27, 2017 
chemistry
9.) 250.0g of copper at 100.0 degrees C are placed in a cup containing 325.0g of water at 20.0 degrees C. Assume no less to the surroundings. What is the final temperature of the copper and water? So far I have used q=mc times delta t but I cannot find C
asked by mhaidar9108 on February 10, 2008 
Algebra
In a sports poll, 53% of those surveyed believe their high school football team will win the state championship. The poll shows a margin of error of +5 percentage points. Write and solve an absolute value inequality to find the least and the greatest
asked by Jack on September 25, 2014 
medical coding and billing
a patient is brought into the ER for attempted suicide and given iv drugs including glucagon and gastric lavage and aspiration and then transferred to psych facility what are the medical codes used for the facility services? i don't want answer i just want
asked by Anonymous on September 10, 2011 
math
suppose you want to take a karate class. the first class is january 16th. the class meets every week for 6 weekswhats the date of the last class? Start at 1/16 and add 7 days six times to get 1/23, 1/30, 2/6, 2/13, 2/20 Find the sum the each letter stands
asked by erin on October 18, 2006 
Math HELP!
When a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t^2. The formula assumes that there is no air resistance. Find the time it takes a skydiver to fall 1,551
asked by Anonymous on October 21, 2014 
Trigo!
Ok, i've tried this sum a million times and i cant get an answer. Somebody please check my workings and tell me what i did wrong! Thanks! Given 4≤y≤6, find the value of y for which 2cos((2y)/3) + √3 = 0 Here's my workings: 2.666≤(2y/3)≤4
asked by help! on September 19, 2009 
algebra
The learning curves describes the rate at which a person learns certain tasks. If person sets a goal of typing N words per minute (wpm), the length of time t (in days) to achieve this goal is given by a) according to this formula what is the maximum number
asked by gary on May 11, 2014 
Maths and Physics
An inverted garbage can of Weight W is suspended in air by water from a geyser. The water shoots up from the ground with a speed u, at a constant rate dm/dt. Find the maximum height at which the garbage can rides.What assumption must be fulfilled for the
asked by Anonymous on January 25, 2015 
MATH
A school district receives a grant to purchase 64 new computers to be apportioned among the 6 schools in the district based on the student population of each school. School A B C D E F Population 314 211 197 243 279 325 Find the standard quota for school
asked by Anonymous on April 22, 2017 
College Math
Hooke's Law the table shows the distance D that a spring stretches when a weight W is hung on it. W (pounds 2 6 9 15 D (inches) 1.6 4.8 7.2 12 (a.) Do the data represent direct or inverse variation? Explain. (b.) Find an equation that models the data. (c.)
asked by Shin on April 28, 2011 
chemistry
If 2.33 L of propane (C3H8) at 24oC and 67.2 kPa is completely burned in excess oxygen, how many moles of carbon dioxide will be produced? a. Write a balanced equation for the reaction. b. Use stoichiometry to find the volume of carbon dioxide. c. Use the
asked by Suzanne on April 20, 2014 
Math
A batsman hits a cricket ball 'off his toes' towards a fieldsman who is 65 m away. The ball reaches a maximum height of 4.9 m and the horizontal compoenent of its velocity is 28 m/s. Find the constant speed with which the fieldsman must run forward,
asked by Candice on July 14, 2012 
ECONOMICS
College students sometimes work as summer interns for private firms or for the government. Many of these positions pay very little or nothing. What is the opportunity cost of taking such a job? Explain why students might be willing to take such jobs. If
asked by RAJA on April 13, 2013 
Physics
A lead ball, with an initial temperature of 25.0oC, is released from a height of 96.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it
asked by Lindsay on March 30, 2008 
philosphy
Some years ago, after not having seen my best friend from Duckwood High School for several years, we met for lunch and were surprised to find that our clothes and hairstyles were the same! The only possible explanation for this is that we both went to
asked by PATRIS on September 25, 2017 
probability
Sophia is vacationing in Monte Carlo. On any given night, she takes X dollars to the casino and returns with Y dollars. The random variable X has the PDF shown in the figure. Conditional on X=x , the continuous random variable Y is uniformly distributed
asked by amar on July 4, 2019 
physics
a skater with an initial speed of 7.60m/s is gliding across the ice. air resistance is negligible. (a)the coefficient of kinetic friction between the ice and the skate blades is 0.100. find the deceleration caused by kinetic friction. (b)how far will the
asked by ajo on November 23, 2007 
Physics
A fire helicopter carries a 358 kg bucket at the end of a 10.4 m long cable. When the helicopter is returning from a fire at a constant speed of 51.4 m/s, the cable makes an angle of 23.7◦ with respect to the vertical. Find the horizontal force exerted
asked by well on November 3, 2016 
ancient history
I had an exam last week and I couldn't answer this question: What was economic and social status of poets in Ancient Greece in different time periods (under aristocratic, tyrannic and democratic government). I was searching the internet and mostly studied
asked by Evalon on September 8, 2016 
College Economics
An economy has the follwoing comsumption function: C= 200+ 0.8di The government budget is balanced with government purchases and taxes both fixed at $100. Net exports are $100. Investments $600. Find the equilibrium GDP. What is the multiplier for this
asked by Emily on October 29, 2008 
Physics
A cubic meter of some material has a mass of 6400 kg. The block of material is lowered into a lake by a strong cable until the block is completely submerged. Draw a freebody diagram for the block. (Do this on paper. Your instructor may ask you to turn in
asked by Tyler on March 31, 2014 
Physics
A lead ball, with an initial temperature of 25.0oC, is released from a height of 125.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it
asked by Jake on February 7, 2019 
geometry
Many younger children like to play a game similar to baseball called teeball. To accommodate the younger children, the bases are only 40 feet apart in a squareshaped field. Find the distance between home plate and second base in teeball. If necessary,
asked by whitney on January 3, 2011 
Urgent CALCULUS
So, I haven't posted in a while...but now I am stummped! Only question I can't get today! A team of students seeks to make a flag representing their commitment to the earth. They will be using a green triangle inscribed in a yellow semicircle. Find the
asked by Derek on July 25, 2008 
Physics with Calc
A highway curve forms a section of a circle. A car goes around the curve as shown in the helicopter view of Figure P1.48. Its dashboard compass shows that the car is initially heading due east. After it travels 840 m, it is heading 35.0° south of east.
asked by Charlotte on July 17, 2013 
math physics
A meteorite is a solid composed of stone and/or metal material from outer space that passes through the atmosphere and hits the earth’s surface. Find the kinetic energy of a meteorite with mass 250 kg that hits the earth at 25 km/s. Given: m=250kg
asked by Jay on October 13, 2014 
United States History
What were the views of the NORTHERN RADICALS concerning the following topics: slavery women's suffrage prohibition (temperance) free public education, help for handicapped right to education for women & african americans practice of religion Native
asked by joanne on November 30, 2008 
Physics
2 moles of ideal gas are in a cylinder container with crosssectional area 1*10^2 m^3. Cylinder is fitted with a light, movable piston that is open to atmosphere, where pressure is 10^5 PA.A 50KG MASS PLACED ON PISTON KEEPS IT IN mechanical equilibrium
asked by Grace on January 13, 2011 
mathsparallelogram
There is a man who plotted a land in shape of a trapezium with its parallel sides to be 15m and 5m & height=9m. The Panchayat decided to take a triangular plot of land from one side to construct a school. He reluctantly agrees to this. is this can be
asked by anoynomous on March 20, 2013 
math physics
A meteorite is a solid composed of stone and/or metal material from outer space that passes through the atmosphere and hits the earth’s surface. Find the kinetic energy of a meteorite with mass 250 kg that hits the earth at 25 km/s. Given: m=250kg
asked by Jay on October 13, 2014 
calculus
Can some explain how to do this problem? I tried using derivatives...but...I keep getting a different answer from what my teacher told me! A projectile is fired directly upward with an initial velocity of 144 ft/sec and its height (in feet) above the
asked by help on July 7, 2012 
PhysicsPlease help
I need a little direction with this question:If someone could provide the correct formula, I think I divide each reistor by 12V but I'm not sure. To find total resistance, do I just add the reciprocals? Three resistors connected in parallel have individual
asked by Sally on March 24, 2011 
Algebra 2
A retail lumberyard plans to store lumber in a rectangular region adjoining the sales office. The region will be fenced on three sides and the fourth side will be bounded by the wall of the office. Find the dimensions of the region if 350 feet of fencing
asked by Carolyn on May 22, 2012 
math physics
A meteorite is a solid composed of stone and/or metal material from outer space that passes through the atmosphere and hits the earth’s surface. Find the kinetic energy of a meteorite with mass 250 kg that hits the earth at 25 km/s. Given: m=250kg
asked by Jay on October 13, 2014 
English
I still have to include the following paragraph to my previous letter. Can you please check it? Thank you. 1) As to your accommodation, you have chosen a hotel which lies more than two miles from the school! 2) I think you should opt for one among the
asked by Henry2 on January 17, 2012 
geometry
a closed box of uniform thickness is made of wood 1cm thick. Its extenal dimensions are 6cm and 5 cm by 4 cm. Find the a. volume of the wood used in making the box. b. the capacity of the box, given that the cover is full length and full width c. The
asked by lindsay on April 24, 2012 
Science
ive got 2 questions: the star Vega is 25 lightyears away from us. if we sent a radio message to Vega, and another civilization on a planet circling that star answered us, in what year could we expect to hear a reply? why was it necessary to make radio
asked by Timothy on June 20, 2012 
physics
A crane in a marble quarry is mounted on the rock walls of the quarry and is supporting a 2900kg slab of marble as shown in the figure. The center of mass of the 750kg boom is located onethird of the way from the pivot end of its 15m length, as shown.
asked by Hong on April 19, 2008 
Literature
My questions is: Does the Author of the Red Badge of Courage, Stephen Crane, like war? Come up with three reasons for your answer. I can only come up with one which is that Stephen Crane doesn't like war because he depicts the armies as monsters. Can
asked by Jimmie on October 6, 2007 
Chemistry
Here is the picture I am given: h ttp://imageshack.us/photo/myimages/209/diatomics.png/ This is supposed to be at a constant temperature, the hint says it's endothermic because energy is used to break the bonds. I believe it is a constant volume so w = 0
asked by David on January 24, 2012 
Math Math Analysis
In a rectangular piece of cardboard with a perimeter of 20ft, three parallel and equally spaces creases are made (so the piece is divided into four equal sections.) The cardboard is then folded to make a rectangular box with open square ends. a. Write a
asked by Ashley on October 14, 2007 
English: Please help
17. If you want to find the answer to a question about grammar, usage, or mechanics for your formal writing, which professional resource would not be helpful? A.) Essential Idioms in English B.) The Chicago Manual of Style C.) A Manual for Writers of
asked by sarah on February 27, 2013 
chemistry
"What mass of silicon carbide should result when 100.00g of silicon dioxide reacts with excess 100.00g of carbon?" SiO2 + 3 C = 2 CO + SiC (balanced) Direct question from homework; I was wondering if someone could explain how to find the solution with
asked by h. marie on May 7, 2017 
Math
The average monthly mortgage payment including principal and interest is $982 in the United States. If the standard deviation is approximately $180 and the mortgage payments are approximately normally distributed, find the probability that a randomly
asked by Lesley on April 10, 2013 
physics
A 1.16 kg block and a 2.32 kg block are initially at rest on a frictionless, horizontal surface, with a compressed spring of negligible mass between them. When the blocks are released, they move off in opposite directions. If the final velocity of the 1.16
asked by koko on October 17, 2012 
Language help
(Singing loudly in the shower) is what Jessica loves to do every morning. a. gerund phrase b. participial phrase c. appositive phrase *** d. prepositional phrase (Sam and Dean were shocked to find they both enjoyed playing soccer.) a. subordinate clause
asked by Brittany Bevard on January 13, 2014 
algebra
Amistad starts selling tickets to basketball games. They sell 292 tickets to the last game of the season. An adult ticket costs $3. A student ticket costs $1. They collect $470.00 in ticket sales. Write and solve a system of equations to find the number of
asked by Anonymous on February 7, 2012 
English
I have write an Antonym and Synonym for each word. Nouns 1. bipedquadruped, person 2. centipedemillipede, worm 3. millipedeunipede, creepycrawly 4. pedalfoot iever (couldn't find an antonym) 5. pedicuremanicure, beauty treatment 6.
asked by Hayden on January 25, 2017 
calc (confused)
A wedge is cut from a right circular cylinder of radius r by two planes, one perpendicular to the axis of the cylinder and the other making an angle (beta) with the first. Find the volume of the wedge by slicing perpendicular to the yaxis. Please show all
asked by beam on May 6, 2015 
algebra
Ms. Sue I have tried to answer this question. If I could answer it on my own, I would not be needing your assistance. Thank you. WHY ISN'T SOMEONE HELPING ME WITH THIS QUESTION?? you receive a $25 gift card card to a sporting goods store for your
asked by blue13 on January 5, 2011 
statistic
A distribution of values is normal with a mean of 225.5 and a standard deviation of 3.2. Find the probability that a randomly selected value is greater than 222.6. P(X > 222.6) = Enter your answer as a number accurate to 4 decimal places. Answers obtained
asked by moon on January 8, 2018 
Trig application
A man is holding a gun 4 feet above the ground and fires into an open field. The bullet has an initial velocity of 300 feet per second and an initial angle of 30°. Find the range (the horizontal distance traveled before hitting the ground ) and the
asked by Jane on March 4, 2016 
math
A batsman hits a cricket ball 'off his toes' towards a fieldsman who is 65 m away. The ball reaches a maximum height of 4.9 m and the horizontal compoenent of its velocity is 28 m/s. Find the constant speed with which the fieldsman must run forward,
asked by candice on July 15, 2012 
Physics
A 238U nucleus is moving in the xdirection at 5.0x10^5m/s when it decays into an alpha particle (4He) and a 234Th nucleus. The alpha moves at 1.4x10^7 m/s at 22 degrees above the xaxis. Find the recoil velocity of the thorium. I know that the original x
asked by Cristina on November 22, 2016 
PreCal
Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. (tan(74°)tan(14°))/(1+tan(74°)tan(14°)) =__________ Find it's exact value (not decimal form) =__________ Note: A similar question(but with
asked by Amber on July 7, 2016 
Physics
In a rectangular coordinate system, a positive point charge 5.0 nC is placed at the point x=0, y=2.0 cm, and a negative point charge 5.0 nC is placed at x=0, y=2.0 cm. Both charges have masses 4.0x10^3 g. Point P is at x=3.0 cm, y=2.0 cm. The electric
asked by Lyndsay on March 5, 2017 
Math
A solid is made up of two rectangular prisms how would I find the surface area of the solid? The diagram shows 3 feet on top, 6 feet on the left side, 7 feet on the bottom, 2 feet and 4 feet to the right Our teacher gave us the answer of 156 then told us
asked by Josh on April 28, 2015 
Physics
Find the change of the mechanical energy of a 1000kg car traveled down an incline with 1:10 grade a total distance of 100 m during which its speed increased from 10 m/s to 20 m/s? Is my answer correct, if not what did I do wrong? ME=KE+PE+Q
asked by Is my answer correct? on September 12, 2015 
physics
Block 1, of mass1 = 0.550kg , is connected over an ideal (massless and frictionless) pulley to block 2, of mass2 , as shown. For an angle of = 30.0 and a coefficient of kinetic friction between block 2 and the plane of = 0.300mu(kinetic friction), an
asked by Samantha on October 23, 2012 
Grammar/English
May I have someone proofread this? It is for a business presentation I have for a class scheduled today at noon. Mohegan Sun may have entered a maturity stage given that there are strong challenges to marketing management. However, Mohegan Sun cycles back
asked by Manny to ANYONE on April 9, 2008 
Chemistry
2CH3CH2CH2OH(l)+9O2(g)→6CO2(g)+8H2O(g) I have to find the delta G delta G of CH3CH2CH2OH(l)=−360.5 KJ/Mol delta G of O2(g)=0 KJ/Mol delta G of CO2(g)=−394.4 KJ/Mol delta G of H20(g)=−228.6 KJ/Mol I keep getting 3426.2 KJ/Mol but its not correct.
asked by dave on June 21, 2013 
Math
the acceleration of a particle is defined by the equation a= 4t^2 with an initial velocity of two millimeters per second. Find the exact equation for the position of the particle if its initial position was zero.
asked by Todd on July 20, 2012
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