# Rank the crystal lattice structures in order of decreasing efficiency of space in the structure.

21,239 results, page 70
1. ## Geography

Hey ya'll need a bit of help with a report i have to do on an environmental issue. Basically I need to choose an issue to research which has a two sided argument (something on bird flu or world debt, power stations etc) Really stuck, appreciate any

asked by Louise on August 13, 2006
2. ## Physics

Rank the magnitude of the change in momentum of a ball from largest to smallest in the following situations: a) The ball is moving with constant velocity, hits a wall, and stops moving. b) The ball is moving with constant velocity, hits a wall, and bounces

asked by alison on October 12, 2018
3. ## economics

how change in "Consumer Taste" and "Change in Expectation" effect upon Supply and Demand in Economic? In a plenitude of ways. Fashion and other fads come and go, increasing the demand for "hot" products, decreasing for "cold." Producers, in an attempt to

asked by Jennifer on December 17, 2006
4. ## College Statistics

How much should you invest each month in order to have \$800,000 if your rate of return is 5.3% compounded monthly and you want to achieve your goal in 40 years? How much interest will you earn? How much should you invest each month in order to have

asked by onlyzoe_! on December 16, 2016

A general reaction written as 1A + 2B --> C + 2D is studied and yields the following data: Expt (A). (B) initial (C)/t 1. 0.150. 0.150. 8.00 x10^-3 2. 0.150. 0.300. 1.60 x10^-2 3. 0.300. 0.150. 8.00 x10^-3 What is the order of the reaction with respect to

asked by Rose on April 25, 2016
6. ## Chem Help Please!!!

Experiment Design You are asked to separate a mixture of toluene and cyclohexane. Assume that they do not form an azeotropic mixture. Design an experiment to do this. You must provide the following information. a) A diagram of the equipment you will be. b)

asked by Kim on September 3, 2014
7. ## Environmental Science

Are there any good websites on coral reefs ? I'm working on my research paper, and this is what I have so far. Coral reefs, also called the rain forests of the oceans, are the second richest ecosystem on Earth. They have this nickname because of the

asked by y912f on May 11, 2010
8. ## physics

a person is pulling a 100 lb box across a smooth horizontal surface. what is the acceleration of the box if they are pulling upward at an angle of 20° with a force of 75 lbs Well, I know that there is no friction involved because it is a smooth surface

asked by Hanky on March 9, 2015
9. ## English

I have a few questions about grammar 1, Does a sentence that starts of with "if" an independent sentence or a dependant? 2, Does a sentence that starts of with "in order to" an independent sentence or a dependant? 2, is there a comma before “instead

asked by Jessica on May 25, 2018
10. ## math - still don't get it

Karl piled twelve 1" cubes in three layers on top of a square made with four 1" cubes. What shape is the structure that Karl made? help me with the answer

asked by bo 5th grader on October 25, 2012
11. ## Really quick LA question

How many paragraphs does a typical 9th grade compare-and-contrast essay have? Is the structure intro, body(compare), body(contrast), resolution? Thanks!

asked by Anonymous on November 8, 2017
12. ## Chemisty

Let's explore the efficiency of chloride ion precipitation in seperating Ag^+ from Pb^2+ in a solution. Suppose that [Pb^2+]= 0.045 mol/L and [Ag^+]= 0.084 mol/L. Calculate the chloride ion concentraion required to just start precipitation of Pb^2+ ion and

asked by Tanner on March 4, 2012
13. ## Physics

A car is doing a loop-the-loop. The loop has a radius of .4m. Assume the car is starting with the minimum speed it needs in order to stay in contact with the track at all times (at the top of the track, the car is not applying a force to the track).

asked by Melissa on March 6, 2012
14. ## Physics!

A person is standing on a 10-m bridge above a road. He wants to jump from the bridge and land in the bed of a truck that is approaching him at 30 m/s. In order to clear the bridge railing, he has to jump upward initially with a speed of 5 m/s. How far away

asked by Emma on December 17, 2015
15. ## science

1. In an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy

asked by hannah on November 6, 2013
16. ## biology

an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away

asked by hannah on November 6, 2013
17. ## english

What grammatical structure is the italicized portion of the sentence? By serving as a popcorn vendor, Don saw many good games. present participial phrase nominative absolute appositive past participial phrase prepositional phrase with a gerund

asked by Chris on June 5, 2013
18. ## english

Speech criticism is a simpler form of: A. speech evaluation. B. rhetorical criticism. C. panel judging. D. communication process. is it B 2. You are evaluating this when you are looking for a clear, compelling message. A. Use of quotes B. Structure C.

asked by Amy on March 30, 2013
19. ## Math - Simple rational functions (check)

Consider the function f(x) = x/(x-1) Are there any turning points? Explain how this could help you graph f(x) for large values of x? Ans: turning points is another word for checking the concavity, and therefore i find the second derivative and equate it to

asked by Anonymous on October 29, 2010
20. ## Math

Fantasia Florist Shop purchases an order of roses with a list price of \$2,375 less trade discounts of 15/20/20. What is the amount of trade discount and what is the net dollar amount of that rose order? Trade discount: .85*.80*.80=.544 2375*.544=1292

asked by Erica on May 25, 2013
21. ## To:BobPursley

Earlier you told me "hold a pencil up. A real pencil. I bet you can make perpendiculars in many directions, because the pencil is in a three dimensional space". Could you explain to me what do you mean by this? I try holding up a pencil and doesn't see

asked by Shadow on September 9, 2010
22. ## physics

At what speed should a space probe be fired from the earth if it is required to still be traveling at a speed of 3.48 km/s, even after coasting to an exceedingly great distance from the planet (a distance that is essentially infinite)?

asked by shelby on March 4, 2008
23. ## Physics

In deep space, a small rock orbits an asteroid. The circular, orbit radius is 1037m and the velocity of the rock is 8.02m/s. Find the mass of the asteroid.

asked by Jenny on May 26, 2015
24. ## Physics

Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction independently of the frame’s rotation, tends to maintain its axis pointed in the same direction in space.

asked by Pat on January 27, 2012
25. ## science

gravitational forces are be acted on a space center what other data need to show the forces a-direction of the opposite force b-magnitute of the downward force rigth answer: b

asked by hh on April 30, 2013
26. ## Science/Physics

Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction independently of the frame’s rotation, tends to maintain its axis pointed in the same direction in space. I just am not getting this!

asked by Elizabeth on June 3, 2012

Predict: How resonance can cause earthquakes to do greater damage to some buildings than others. Analyze: If two astronauts were able to go on a space walk without wearing suits. Explain why they would not be able to talk to one another. Describe: How

asked by Anonymous on January 12, 2017
28. ## LA Conversational Ballgames

What words does the author use to emphasize the concept of outer space as an eternal frontier? A. all that has gone before was preliminary B.everlasting challenge to explorers C.the line that separates the known from the unknown D.mankind is not bound by

asked by Chill on December 6, 2018
29. ## History

The Space Race during the Cold War a) became a matter of national pride for only the Soviet Union b) became a source of fierce competition between European powers c) was used by U.S. politicians to distract attention from other policy successes d) had

asked by Tessa on May 10, 2018
30. ## Waves (8th Grade)

Predict: How resonance can cause earthquakes to do greater damage to some buildings than others. Analyze: If two astronauts were able to go on a space walk without wearing suits. Explain why they would not be able to talk to one another. Describe: How

asked by Anonymous on January 12, 2017
31. ## english

What element should readers consider when exploring how different literary genres approach the same subject? a. the ease of difficulty with which the subject can be analyzed b. the authors’ personal feelings about the genres they select c. the use of a

asked by Cate on April 19, 2017
32. ## creative writing

1. Poetry that is short in length and focuses on feelings and thoughts of the speaker or narrator is called:(Points : 3) narrative lyric a ballad a haiku 2. What is the rhyme scheme of most limericks?(Points : 3) AABBA ABBBA ABCABC AAAAB 3. Which is true

asked by 2phoneeeeee on November 9, 2014
33. ## economics

perfectly competitive industry. Each firm having identical cost structures. long-run average cost is minimized at an output of 20 units. Minimum average cost is \$10 per unit. total market demand is Q=1500-50P. What is the long-run equilibrium price? Total

asked by timmy on November 13, 2007
34. ## Calculus

Find the critical point and the interval on which the given function is increasing or decreasing, and apply the First Derivative Test to the critical point. Let f(x)=4/x^2+1 Critical Point = Is f a maximum or minumum at the critical point? The interval on

asked by Ashton on November 14, 2018
35. ## Chemistry

The distribution co-efficient of butanoic acid (pKa = 4.8) between water and two organic solvents are given below; Benzene D= 3.0 Octanol D= 6.2 a) which organic solvent is expected to extract the acid most efficiently from the water? explain your answer.

asked by James on January 17, 2015
36. ## physics

A variable capacitor is connected to an ac source. what effect does decreasing the capacitance have on the reactance and current in this circuit? Reactance Current A) increases decreases b) decreases no change c) decreases increases d) increases increases

asked by seema on May 1, 2010
37. ## calculus

1. A rectangle has a constant area of 200 square meters and its length L is increasing at the rate of 4 meters per second. a. Find the width W at the instant the width is decreasing at the rate of .4 meters per second. b. At what rate is the diagonal D of

asked by fareha on December 4, 2011
38. ## calculus

1. A rectangle has a constant area of 200 square meters and its length L is increasing at the rate of 4 meters per second. a. Find the width W at the instant the width is decreasing at the rate of .4 meters per second. b. At what rate is the diagonal D of

asked by Fareha on December 4, 2011
39. ## Science

Explain the following quote: ... it was several weeks before an emigrant from Earth could adapt to it. On the Moon the human body had to learn a whole set of reflexes. It had, for the first time, to distinguish between mass and weight. A man who weighed

asked by Kimmy on October 2, 2014
40. ## statistics

Which of the following defines the probability of an event A, or P(A)? The probability of A equals 0.50. The probability of A equals the number of possible outcomes in the sample space divided by the number of outcomes favorable to A. The probability of A

asked by georgina on November 14, 2012
41. ## chemistry

Based on their molecular structure, why are these acids thes stronger of the two binary acids given? HCl stronger than HF HF stronger than H2O H2Se stronger than H2S Is this because of bond strength due to placement on the table of elements? thanks

asked by redgy on March 25, 2011
42. ## college algebra

A support pole for an ancient structure is found to have one-fifth of the carbon-14 of a modern, living tree. How long ago did the tree used to make the support pole die? Give your answer to the nearest whole number.

asked by Sydney on September 17, 2018
43. ## English

Hello. I'll appreciate it if you answer my questions: 1)is it possible to say "Thousands of Egyptians conducted a meeting in Cairo" (meaning "held a protest")or is the word "meeting" something like "discussion"? 2)is it possible to use "confine" in the

asked by Ilma on February 11, 2011
44. ## physics

Consider a room air conditioner using a Carnot cycle at maximum theoretical efficiency and operating between the temperatures of 19.7°C (indoors) and 28.7°C (outdoors). For each 1.00 J of heat flowing out of the room into the air conditioner a) How much

asked by helena on December 18, 2012
45. ## calculus help thanks!

The gas law for an ideal gas at absolute temperature T (in kelvins), pressure P (in atmospheres), and volume V (in liters) is PV = nRT, where n is the number of moles of the gas and R = 0.0821 is the gas constant. Suppose that, at a certain instant, P =

asked by Pal on April 2, 2014
46. ## physics

A 250. MW coal-fired power plant burns fuel with an energy density of 35.0 MJ kg-1. Water enters the temp reduction tower at 293 K and leaves at 350. K at a rate of 4200. kg s-1. 4. Calculate the energy removed by the water each second. 5. Calculate the

asked by emily on March 11, 2010
47. ## physics

A 250. MW coal-fired power plant burns fuel with an energy density of 35.0 MJ kg-1. Water enters the temp reduction tower at 293 K and leaves at 350. K at a rate of 4200. kg s-1. 4. Calculate the energy removed by the water each second. 5. Calculate the

asked by needs help on March 11, 2010
48. ## physics

A light–rail commuter train draws 645 A of 590–V DC electricity when accelerating. What is its power consumption rate in kilowatts? How long does it take to reach 30.0 m/s starting from rest if its loaded mass is 4.50×104 kg, assuming 91.0% efficiency

asked by Joe on September 13, 2014
49. ## Physics

Find the jet fuel mileage (mpg) of a Boeing 787 Dreamliner if: C=0.024, v=900 km/h, 1 gallon=3.8 liters, 1 mile= 1.6 km, energy conversion efficiency=30%, A=2060 ft^2, 1 ft^2=0.093 m^2, drag force = 1/2(CApv^2), p=0.41 kg/m^3 at 10,000 m, jet fuel energy

asked by Rosanne on October 28, 2014
50. ## Economics

I'm reposting this as I did not receive a response. Posted by Dwane on Wednesday, November 22, 2006 at 1:23pm. I pasted the problem I am to solve below. I missed the first week of class, so the professor told me to do this case as a make-up assignment;

asked by Dwane on November 28, 2006
51. ## Introduction to Juvenile Justice

I am having a hard time finding descriptions for federal, state, or local programs in social structure theory, social process theory and social conflict theory.

asked by Shan on August 8, 2009
52. ## Chemistry

Based on the following observations for 3 unidentified metals (Z, X, and D) and solutions of their metal cations (Zn+ and En+), rank the metals in terms of reducing agent strength, from lowest to highest. -When metal X is placed in an aqueous solution of

asked by Nathaly on April 2, 2017
53. ## math

The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given by C= (a/q) + b where a and b are positive constants a.Find the rate of change of C as q increases. What are its units? b. Currently, 5000 phones are being made

asked by piper on April 7, 2010
54. ## math

The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given by C= (a/q) + b where a and b are positive constants a.Find the rate of change of C as q increases. What are its units? b. Currently, 5000 phones are being made

asked by piper on April 8, 2010
55. ## Comm 155

Could you please check these sentences and tell me if they make sense. Write five sentences in which you address changes in your writing. 1. With practice, I have gotten better at grammar and punctuation. 2. Working with a study group has made my sentence

asked by Debbie on March 15, 2011
56. ## science

Please help! I am having a hard time. Can you give me some help with the cell theory point- Cells are the basic unit of structure and function of all living things. I have to include in my essay how this point explains how humans and bacteria are alike. I

asked by Reed on September 8, 2011
57. ## biology (multiple choice!)

Evolutionary adaptations that help diverse animals exchange matter with the environment include a. gastrovascular activity, two-layered body, and torpedo shape. b. large volume, long tubular body, and wings. c. complex internal structures, small size, and

asked by Sarah on November 10, 2010
58. ## To Ms. Sue

Ms. Sue I'm REALLY having trouble with those question in my science homework. b. A man has a blood clot in his Femoral artery. Where is the clot? c. Where would a nurse take your radial pulse? E. How is the structure of a bone related to its function? Use

asked by Laruen on April 22, 2012
59. ## History8

As southerners moved inland to the area that became known as the Deep South, how did their culture and economy become different from other southern states? a.They no longer existed as an agrarian society. b.Their economy became almost entirely dependent on

asked by imissbobby&#9829; on April 7, 2014
60. ## Chemistry

Draw the structure of the product formed by the reaction between methyl alcohol and formic acid and give the molecular formula HCOOH + HOCH3 ==> HCOOCH3 + H2O determine this molar concentration 58g of lithium in 54-ml of water molarity = mols/L mols Li =

asked by Kellie on April 12, 2007
61. ## english

A comparison of the poems "quickdraw" and "the farmers bride"! Discuss the techniques used, analyse the language/structure/form explore layers of meaning and comment on the effect of the reader. E.G compare how the poets use verbs or metaphore or imagery

asked by nazrin on April 19, 2014
62. ## QSO 510

Problem 1 Adele Weiss manages the campus flower shop. Flowers must be ordered three days in advance from her supplier in Mexico. Advance sales are so small that Weiss has no way to estimate the demand for the red roses. She buys roses for \$15 per dozen and

asked by Anonymous on March 12, 2013
63. ## Biology

Proteins are manufactured through the "blueprints" found on DNA. After they are translated, they are moved through a system of internal membranes before being distributed throughout the rest of the cell. At some point in the process, they are modified to

asked by Mina on May 16, 2014
64. ## Math

Consider the equation below. (Round the answers to three decimal places. If you need to use -infinity or infinity, enter -INFINITY or INFINITY.) f(x) = 9 sqrt(xe*^(-x) (a) Find the interval on which f is increasing. ( , ) Find the interval on which f is

asked by Mike on December 6, 2010
65. ## Relative Extrema: AP Calculus

Consider the function f(x)= (3/4)x^4-x^3-3x^2+6x Find the relative extrema for f(x); be sure to label each as a maximum or minimum. You do not need to find function values; just find the x-values. Determine the interval(s) where f(x) is increasing (if any)

asked by Pax on January 22, 2015
66. ## word-math problem

Assume that the amounts of oil produced by the first, second, third, ..., wells in a new oil field form a decreasing geometric sequence. If the first well produces 80,000 barrels and the second produces only 70,000 barrels, predict the total amount of oil

asked by Michael on April 26, 2012
67. ## Genes

Which one of the following statements describes the relationship between genes, chromosomes and DNA a) genes, the basic unit of heredity, are located on chromosomes, which consist of strands of DNA b) genes are composed of chromosome and DNA C) chromosomes

asked by Rena on August 22, 2010
68. ## psychology

Which one of the following statements describe the relationship between genes,chormosomes and DNA? A genes,the basic unit of heredity,are located on chromosomes,which consist of strands of DNA B genes are composed of chromosomes and Dna C chromosomes,tha

asked by 888 on September 16, 2009
69. ## psychology

Which one of the following statements describe the relationship between genes,chormosomes and DNA? A genes,the basic unit of heredity,are located on chromosomes,which consist of strands of DNA B genes are composed of chromosomes and Dna C chromosomes,tha

asked by VEDRANA on September 16, 2009
70. ## physics

Estimate the force with which a karate master strikes a board if the hand's speed at time of impact is 4.78m/s, decreasing to 1.55m/s during a constant time of 0.00239 s with the board. The mass of coordinated hand and arm is 0.701 kg. Answer in units of

asked by Ashleigh on October 26, 2010
71. ## Rocket Science

Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 246 miles and a perigee of 212 miles above the surface of Earth

asked by Karen on January 1, 2015
72. ## PHSC

In a simulation on earth,an astronaut in his space suit climbs up a vertical ladder.On the moon,the same astronaut makes the same climb.In which case does the gravitational potential energy of the astronaut change by a greater amount?

asked by brandy on June 26, 2012
73. ## Physics

In a simulation on earth, an astronaut in his space suit climbs up a vertical ladder. On the moon, the same astronaut makes the same climb. In which case does the gravitational potential energy of the astronaut change by a greater amount?

asked by Randylin on June 30, 2011
74. ## Math/Science

Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 260 miles and a perigee of 220 miles above the surface of Earth.

asked by Lane on December 29, 2015
75. ## Physics

Al the astronaut has a weight of 1600 N when he is standing on the surface of earth. What is the force of gravity action on him when he is in space station orbiting earth at a distance of four earth radii from the center of the earth?

asked by Beth on October 14, 2016
76. ## Algebra 1B

A painter can use the formula A=2/3bh to estimate the Area of space under the parabola, where b is the length of the base and h is the height from the base to the vertex. Calculate the area, in square feet under each arch.

asked by Frank J on April 2, 2013
77. ## Maths

Formulate a general method for finding the distance between two skew (i.e., non intersecting) line in space. (Hint: the shortest line segment joining the two skew lines will be perpendicular to both of them).

asked by Buma on December 19, 2018
78. ## physics

A piece of modeling clay is motionless in space. Another piece of clay that is 4 times as massive moving at 10m/s collides with it and sticks to it. What is the momentum of the combined blob after the collision?

asked by Cliff on October 18, 2011
79. ## Math

About. 7.5 gallons of water filled up 1 cubic foot of space. How many gallons of water will fill a goldfish pool shaped like the prism shown. 3 ft for length 3.5 ft for width 1.5 ft for height

asked by Anonymous on March 22, 2016
80. ## physics

Two astronauts, each having a mass of 89.0 kg, are connected by a 10.0 m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 5.60 m/s. Treating the astronauts as particles, calculate

asked by Anonymous on July 15, 2012
81. ## Chemistry

What is the concentration, in mol L-1, of a solution containing 1.2 g of lithium carbonate in 100 mL solution? Give your answer as 2 sig fig, followed by a space and the units (remember the units given in a previous question).

asked by Sameera Ready on June 13, 2012
82. ## Chemistry

How many moles of lithium carbonate are contained in 400 mL of a lithium carbonate solution with a concentration of 0.015 mol L-1? Give your answer as two sig. figures, followed by a space and the units

asked by Kareena Kapoor on June 13, 2012
83. ## College Algebra

Let h(12) = -100 for some function h(x), defined everywhere. If the average rate of change of h(x) from x = 12 to x = 20 is 50, then find h(20). Type your numerical response in the space provided. Do not type in any of the processes which you utilized to

asked by Brianna on September 26, 2011
84. ## Accounting

Apply the Theory of Constraints to a working environment. Explain why organizations don’t have unlimited resources (space, inventory, product line, etc). Explain why there are always limits to what organizations can do.

asked by Kyndall on November 11, 2010
85. ## what does this mean+ English!

What does this mean: “he was little or nothing but life.” What are you taking this from? I may be able to help. It sounds like what he's saying is that he was not very important, nothing more than a mass of bones taking up space. Meaning that he didn't

asked by hartley! on November 29, 2006
86. ## physics

The gravitational force between two metal spheres with the same masses are in outer space is 60 N. How large would this force be if the masses of each sphere were cut to a fourth of its original value? F_{attractive} =_____________ N (no rounding up)

asked by Melissa on March 3, 2014
87. ## Physics

In outer space, a constat net force of magnitude 140 N is exerted on a 32.5 kg probe initially at rest. (a) what acceleration does thie force produce? (b) how far does the probe travel in 10.0 s?

asked by Adam on October 4, 2009
88. ## Physics

In outer space, a constat net force of magnitude 140 N is exerted on a 32.5 kg probe initially at rest. (a) what acceleration does thie force produce? (b) how far does the probe travel in 10.0 s?

asked by Adam on October 4, 2009
89. ## Physics

An asteroid with mass m = 1.85*10^9 kg comes from deep space, effectively from infinity, and falls toward Earth. How much work would have to be done on the asteroid by friction to slow it to 550 m/s by the time it reached a distance of 1.50*10^8 m from

asked by Kaitlyn on October 16, 2012
90. ## algebra 1

there are 5 rows of pictures with 3/16 inch of vertical space between pictures.Draw a diagram and label all the heights on your diagram then write and solve an equation to find the height of each picture

asked by sara on November 1, 2010
91. ## social studies

) The task of economic policy is to create a prosperous America. The unfinished task of prosperous Americans is to build a Great Society. Our accomplishments have been many; these tasks remain unfinished: > to achieve full employment without inflation; >

asked by Anonymous on December 21, 2011
92. ## math

If the average density of the dining area is 10kg/m^2 and the if the mass is 1000kg how much space does the dining area take up?

asked by johnmeisha on October 23, 2013
93. ## Chemistry

How many moles of water are in 1.0g of water? (Give number only in space below to the correct number of significant figures)

asked by Ashley on March 4, 2012
94. ## science

Somewhere between Earth and the Moon, gravity from these two bodies on a space pod would canel. Is it closer to the Earth or the Moon? why?

asked by Randy on November 7, 2008
95. ## Probability

Four Coins are tossed. Describe the sample space S, probability of getting more tails than heads and probability of getting at least two heads.

asked by rosie on June 22, 2014
96. ## Grammar

What exsits or orcurrs in space that is 19 spaces long. The sencond letter is a P. The 9 letter is a R, the 12th letter n and the last letter is n. Thank you.

asked by Anonymous on October 13, 2011
97. ## physics

While in empty space, an astronaut throws a ball at a velocity of 15 m/s. What will the velocity of the ball be after it has traveled 2 meters?

asked by Anonymous on January 30, 2012
98. ## Chemistry

identify the functional group and indicate polar bonds by assigning partial positive and negative charges. 1) The structure CH3OCH3 is drawn out and I know that this is an ether because the O is bonded to two carbons but I am not sure how to assign the

asked by hannah on October 4, 2012
99. ## science

An electron micrograph of a newly discovered cell shows long projections with a basal body in the cell wall. What kind of projections are these? Is the cell prokaryotic or eukaryotic? How might this cell behave in its environment because of the presence of

asked by ’MICROBIOLOGY on March 10, 2012
100. ## PHI103

write two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Can you give me what advantages does being able to symbolize our arguments provided? are there disadvantages to using the technique to make the structure

asked by mary smith on November 24, 2011