Monday
December 22, 2014

Posts by Anne


Total # Posts: 621

Physics
Note: P is located above the middle of a, a distance of z P (distance vertical z) ___________________ [-------a---------]
May 22, 2013

Physics
Electric charge charge is distributed uniformly along a thin rod of length "a", with total charge Q. Take the potential to be zero at infinity find the potential at P. If z>>a, what would be the potential at p? From potential find the electric field at point p ...
May 22, 2013

Math, Gr 10
A rectangular field is to be enclose by 800 meters of fencing and the fourth side with be along the side of a barn. A) What dimensions will give the maximum area? B) What is the maximum area?
May 6, 2013

physical science
Can you answer this please !
April 29, 2013

Spanish
Please could you help me unscramble each of the clue words in Spanish: issmpna os hewiaes It is either a breakfast or lunch? Thank you for your help, Anne
April 29, 2013

physics
1)An elastic material has a length of 36cm when a load of 40N is hung on it and a length of 45cm when a load of 60N is hung on it. The original length of spring is? 2)A force of 100N stretches an elastic spring to a total of 20cm. If an additional force of 100N stretches the ...
April 9, 2013

maths
Usinng the prime factor method square root of31.36 is 5.6
April 9, 2013

Trig
Solve the trig equation exactly over the indicated interval. tanθ = 0, all real numbers I know the answer is πn, but I don't understand how they got this. I get that tanθ = 0 on π and 2π on the unit circle, so did they just put n on the end of &#...
April 7, 2013

Math
The number of red cards in Lyle's trading card collection is directly is proportional to the number of yellow cards. At one point, Lyle's collection consisted of 56 red cards and 224 yellow cards. If r represent the number of red cards, and s represents the number of ...
April 6, 2013

Quantum Physics
9 is 175.8 Anyone 8D ,8E,6C,6D?
April 6, 2013

Math
thank you
March 30, 2013

Math
is it A?
March 30, 2013

Math
ok thanks
March 30, 2013

Math
Ray wanted to put his tomato plants in rows with the same numbers of plants in each row. He knew that if he planted 5,6, or 7 rows of tomatoes, he would have at least one plant left over. However, his plants could be placed evenly in 8 rows. Which of the following numbers ...
March 30, 2013

math
What's 3 out of 4 of the apples are green.how many apples are green
March 25, 2013

Quantum Physics
For the problem 6 the solution is "1" Anyone tried the problem 5?
March 24, 2013

Math
thank you mrs. sue that helped me alot
March 23, 2013

Math
hailey wants to rake her entire yard. This morning she raked 1/3 of the yard, and this afternoon she raked another 3/5 of the yard. What fraction of her yard still needs to be raked?
March 23, 2013

Math
no it is asking what is the probability not what you are saying . What he did was wrong
March 20, 2013

Math
is the answer d then?
March 20, 2013

Math
I am confused ms. sue i don't get it what is the answer
March 20, 2013

Math
There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total number of students...
March 20, 2013

Quantum Physics
Thanks so much!
March 20, 2013

Quantum Physics
Anyone have finished problems 3 and 5? Gluck and helpman, thanks so much, very usefull for me!
March 20, 2013

Quantum Physics
Problems 6 and 7 please!
March 20, 2013

Maths A
The Bough and Bud Company combined an insect spray with a growth hormone to produce the MOP (More Oranges Production) Treatment, which was expected to increase the number of oranges produced by each tree. The data below shows the number of oranges produced by each tree in two ...
March 16, 2013

maths
For the area shown on the attached chart, show/prove that the magnetic variation in 2013 would be 10°5’E.
March 16, 2013

math
the perimeter of a rectangle is 40 feet and its area is 96 square feet. find the length and width?
March 6, 2013

math
an example of play that relates to a curriculum standard in mathematics for preschoolers?
March 4, 2013

Science
Ms. Lewis is a chemist mixing two solutions together. A chemical reaction takes place, and the solution becomes warm. Which statement best describes what has happened? A. Energy has been created in the form of thermal energy B. Energy has been transformed from one form to ...
February 2, 2013

Math
A club is selling mugs with three different sports logos. The club sold 2(4m-25) football mugs, 2(4m-15) basketball mugs, and 4m+38 soccer mugs. Which expression represents the total number of mugs that the club sold? A. 18m-57 B. 18m-2 C. 16m-57 D. 15m+3
February 2, 2013

Math
o I get it now you use the distrutive property and got 6p-12 . thanks
February 2, 2013

Math
I got the answer c ? I think this is incorrect
February 2, 2013

Math
Which of the following expressions is the simplified form of -8+3(2p-4)+10p ? A. 16p-20 B. 8p-10 C. 6p-12 D. 12p-9
February 2, 2013

Math
thank you
February 2, 2013

Math
Which of the following expressions is the simplified form of 3y+8y-4+7-2y? A. 11y+3 B. 9y-11 C. 11y-3 D. 9y+3
February 2, 2013

8th Grade History
which group best fits this sentence: groups: African Americans, Asian Americans, Mexican Americans, Native Americans Sentence: Many members of this group turned dry, barren lands into profitable farms. Others worked in lumber mills, canneries, and mines
January 21, 2013

Biology
1.Which of the following accurately describes the relationship between cyanobacteria and halophiles? A.Cyanobacteria are photosynthetic, which suggests they existed before halophiles. b.Halophiles can survive in extreme conditions, which suggests they are more evolved than ...
January 15, 2013

Government
The passage of the Civil War amendments—the Thirteenth, Fourteenth, and Fifteenth Amendments—did not end discrimination of African Americans. However, the Supreme Court has relied on these amendments in deciding civil rights cases such as the case of Regents of ...
January 5, 2013

Math help
Two out of every 10 students in a school have a dog. Expressed as a decimal to the nearest hundredth, what is the probability that exactly 2 out of 6 students in a given class have a dog? (1 point) 0.33 0.02 0.20 0.25
January 3, 2013

eng economic
State the mount accumulated by each of the following present investment (i) RM7000 in 8 year at 9% compounded annually (ii) Rm1250 in 12 years at 4% compounded annually
December 18, 2012

eng economic
Zaki invested RM1000 now and RM1500 2years from now. He invests RM2000 4 years from now at an interest rate of 8% compounded annually. Estimate total amount in 10 years.
December 18, 2012

engineering economic
Ahmad is considering investing RM2000 to Ali's project at an interest rate 6% compound annually for 5 years or investing RM2000 to Rosli at 7% per year simple interest for 5 years. From your point of view which option is better and state your reason
December 18, 2012

help..reflective journal
write a 300 words reflective journal expressing the view on class activities and the own personal comments.
December 16, 2012

math
Stephanie has $67 to spend at a store. The store currently has a sale where the sale price is 23% off the marked price. What is the highest marked price that Stephanie can afford? (Round to the nearest cent, or hundredth of a dollar.) can you please show it step by step?
December 11, 2012

math
3 boys and 3 girls,how many boy - girl pairs can be formed ?
December 9, 2012

math
find the missing number;[8 1 4 5 7 ] { 81 4 25 36 ? }
December 5, 2012

math
we decided on a new logo for our brand of t-shirts.It was to be 3 stripes;(1) each stripe could be colored in 1 of 2 different colors,but we didn't want adjacent stripes to be the same color.how many different logos could we make.(2) how many more logos could we make if we...
December 5, 2012

simple math
how do i write out 17260 million 1,726,000? is that write or 17,260,000
December 4, 2012

Physics
how much heat energy must be applied to 100 grams of Lead to raise its temperature 20° C?
November 12, 2012

physics
A robot probe drops a camera off the rim of a 455 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2.Find the velocity with which it hits the ground. Answer in units of m/s
November 11, 2012

physics
A certain car is capable of accelerating at a uniform rate of 0.93 m/s2. What is the magnitude of the car’s displacement as it accelerates uniformly from a speed of 86 km/h to one of 98 km/h? Answer in units of m
November 11, 2012

Chemistry
The SI unit of length is a meter, which is defined as the length equal to 1,650,763.73 wavelengths of light emitted by a particular energy transition in krypton atoms. Calculate the frequency of the light to three significant figures.
October 31, 2012

Chemistry
Describe how to make 500.0 mL of 3.6 M acetone
October 26, 2012

Chemistry
In an experiment to measure the solubility of Ba(OH)2 x 8H2O in water, an excess of solid Ba(OH)2 x 8H2O was stirred with water overnight. the saturated solution was allowed to stand until all the undissolved solid had settled. a 10.00mL sample of the clear supernatant liquid ...
October 25, 2012

Chemistry
The solubility of CaSO4 is 0.209 g/100 mL of water at 30 degrees celsius. if 0.500 g CaSO4 is stirred overnight at 30 Degrees Celsius with 100.0 mL of water, a. How many grams of CaSO4 remain undissolved? b. Calculate the molarity of CaSO44 in solution
October 25, 2012

Chemistry
a 2.00 g sample of zinc was dissolved in 50.0 mL of 6.0 M HCL the final volume of solution was 50.2 mL... a. what was the concentration of Cl- after the zinc was dissolved?? b. what was the concentration of hydrogen ion after the zinc was dissolved??
October 25, 2012

Chemistry
assuming that each molecule contains one acidic hydrogen---that is, the formula is HCnHmOp? assumin gthat each molecule contains 2 acidic hydrogens---that is, the formula is H2CnHmOp??
October 25, 2012

Chemistry
By titration 24.68mL of 0.1017 M NaOH is required to neutralize 0.1482 g of an unknown organic acid. what is the formula mass of the acid?
October 25, 2012

Government
Im not asking for the answer im asking you to help me to understand what the question is asking for. If I could understand it from my book i would
October 24, 2012

Government
please help me with an explanation
October 24, 2012

Government
1. c 2.a 3.a
October 24, 2012

Government
Pluralists believe that the dominant player in American politics is (1 point) the president. groups. the government. rich individuals. the media. All of the following are generally more true of Americans than Europeans EXCEPT (1 point) they volunteer more time to their ...
October 24, 2012

Physics
A cannonball is fired with a velocity of 200 m/s at an angle of 25 degrees above the ground. After the total flight of 45.6 seconds, the cannonball returns to the ground. Calculate: the initial horizontal and vertical components of the velocity, the maximum height of the ...
October 23, 2012

Physics
A car of mass 1396 kg is parked on a very slippery hillside.To keep it from sliding down the hill (è = 15°), the owner attaches a cable. What is the tension in the cable?Determine the components of all the forces on the car along the coordinate axes.
October 20, 2012

Physics
Block 1 sits on a table with rope that is attached to block 2 hanging over the edge where m1 = 43 kg and m2 = 11 kg. Assume that there is no friction between m1 and the table. Find the acceleration of the crates and the tension in the string
October 20, 2012

Physics
Block 1 is up an incline and is attacthed to block 2 by a rope, with m2 = 5.0 kg and è = 33°.If the coefficient of static friction between block #1 and the inclined plane is ìS = 0.24, what is the largest mass m1 for which the blocks will remain at rest?
October 20, 2012

Physics
Consider a swimmer who wants to swim directly across a river. If the speed of the current is 0.31 m/s and the swimmer's speed relative to the water is 0.57 m/s, how long will it take her to cross a river that is 13 m wide?
October 20, 2012

Physics
A soccer ball is kicked with an initial speed of 23 m/s at an angle of 20° with respect to the horizontal.(a) Find the maximum height reached by the ball. (b) Find the speed of the ball when it is at the highest point on its trajectory. (c) Where does the ball land? That ...
October 20, 2012

Physics
A baseball is hit with an initial speed of 42 m/s at an angle of 30° relative to the x (horizontal) axis.(a) Find the speed of the ball at t = 3.4 s. (b) What angle does make with the x axis at this moment? (c) While the ball is in the air, at what value of t is the speed ...
October 20, 2012

Physics
A bullet is fired from a rifle with a speed v0 at an angle è with respect to the horizontal axis from a cliff that is a height h above the ground below. Calculate the speed of the bullet when it strikes the ground.
October 20, 2012

Physics
A block slides down an inclined plane that makes an angle of 23° with the horizontal. There is friction between the block and the plane. If the acceleration of the block is 2.1 m/s2, find the coefficient of kinetic friction between the block and the plane.
October 20, 2012

US Government
Critics argue that they slow down decision-making and create conflict. Evaluate the criticisms, and explain the justification for continuing the Madisonian model.
October 18, 2012

French
Merci Mme!!!
October 17, 2012

French
Thank you!! Was that all that needed correcting?
October 17, 2012

French
Can someone correct my paragraph? Write a good, 6 sentence paragraph using both the passé compose and imparfait describing a recent outing to a café or restaurant for breakfast or lunch. What did you order? How was the restaurant? La semaine dernière je ...
October 17, 2012

college chemistry
Please be specific! Briefly explain whether each if the following procedural errors would result in a high, low, or an unchanged calculated mass of Ca2+ in the analyzed tablet. a)a student had difficulty decanting the supernatant solution from the test tubes in step 9, causing...
October 15, 2012

college chemistry
a student determined the Ca^2+ ion content of a 100mL sample of calcium-fortified orange juice. After adding 2.0M HCl solution to the sample, the student filtered the juice to remove the pulp and other particulate matter. Then the tudent added Na2CO3 solution to precipitate ...
October 8, 2012

college chem
Mg and O lab how will the relative number of moles of mg and o be affected if the following procedural errors are made? a)crucible is not brought to constant mass before the Mg is added. b)water is not added after the first heating of Mg, and the entire solid in the crucible ...
October 8, 2012

Physics
An object is thrown vetically upward with an initial velocity of 14.7 m/s.How long does it take for the object to be 9.8 m from its initial position?What is the instantaneous velocity at 9.8 m from its initial position. Explain why two answers arise.
October 8, 2012

Chem II/College
Mg and O lab how will the relative number of moles of mg and o be affected if the following procedural errors are made? a)crucible is not brought to constant mass before the Mg is added. b)water is not added after the first heating of Mg, and the entire solid in the crucible ...
October 7, 2012

Biology
Scientists observe a newly established population of sexually reproducing plants growing on the shore of a small island. An observable trait of the plant has two possible phenotypes. It is determined by a single gene, with the dominant allele having complete dominance over the...
October 3, 2012

ENGLISH
Briefly describe Poe’s requirements for the short story genre.
October 2, 2012

College Chemistry
how would you prepare 175.0ml of .150 m agno3 solution starting with pure agno3
September 27, 2012

college physics
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a magnitude of 6.5 N; a second force has a magnitude of 3.9 N and points in the negative y direction. Find the direction and magnitude of the ...
September 24, 2012

ENGLISH
Read the following passage. In 3–5 sentences, identify who wrote it. Support your choice with details about the content or style of the passage. "One day, when all our people were gone out to their works as usual, and only I and my dear sister were left to mind the ...
September 23, 2012

ENGLISH
is it the star spangled banner
September 23, 2012

ENGLISH
6. The following words share a denotative meaning. Which one has a negative connotation? (1 point) confident certain decisive demanding ~ 7. Read the following Chippewa song. Identify its purpose. A loon I thought it was But it was My love's splashing oar. (1 point) to ...
September 23, 2012

Physics
A tall strongman of mass m = 93 kg stands upon a scale while at the same time pushing on the ceiling in a small room.If the scale reads 1062 N (about 239 lb), what is the magnitude of the normal force that the ceiling exerts on the strongman?
September 21, 2012

Physics
A mass with M = 122kg is attached to the bottom of a block-and-tackle pulley system.How much tension force is needed to keep the mass at its current position?
September 21, 2012

Physics
A car travels at 64 mi/h when the brakes are suddenly applied. Consider how the tires of a moving car come in contact with the road. When the car goes into a skid (with wheels locked up), the rubber of the tire is moving with respect to the road; otherwise, when the tires roll...
September 21, 2012

Physics
An elevator is moving at 1.1 m/s as it approaches its destination floor from below. When the elevator is a distance h from its destination, it accelerates with a = −0.55 m/s2,where the negative sign indicates a downward vertical direction. Find h.
September 21, 2012

Calculus
Determine the polar form of the complex number 3 - 2i. Express the angle theta in degrees, where 0 < theta < 360°, and round numerical entries in the answer to two decimal places. 326.31(cos 326.31° – isin 326.31°) 3.61(cos 326.31° &#...
September 21, 2012

US Government
ideas on how to answer these?
September 18, 2012

US Government
help me answerthe question please. some ideas.
September 18, 2012

US Government
Explain how separation of powers and checks and balances reflect the founders' views of human nature and power in government. Discuss two other influences on the development of the U.S. Constitution
September 18, 2012

Calculus
Find the polar coordinates of (8, –8) for r > 0.
September 17, 2012

Pre-calc
1. Find the polar coordinates of (8, –8) for r > 0. 2.Find the rectangular coordinates of (9, 150°)
September 17, 2012

phy
A jet has a speed of 500m/s relative to the air in which it flies and is traveling north. There is a crosswind blowing from west to east at 100m/s. What compas heading does the plane appear to fly toward?
September 16, 2012

algebra
solve the inequality and write the solution set using interval notation. 4x+7 <2x+5 _____ -3
September 15, 2012

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Next>>

Search
Members