Tuesday
August 4, 2015

Homework Help: Health: First Aid

Recent Homework Questions About First Aid

Math
My problem is: "Will ran four miles on his first day of training. The next day he ran 1/3 of that distance. How far did he run the second day" I need help. I think it is either 1 or it is 3 and 1/4. I'm undecided.
Thursday, April 16, 2015 by Keon

english
Henry and Lois are discussing ways to evaluate sources. Henry maintains that one should scan a source before skimming it. Lois argues that scanning is the best first step in evaluating a source. Who is correct?
Thursday, April 16, 2015 by yulanda

calculus
The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x2. Cross sections of the solid perpendicular to the x-axis are equilateral triangles. What is the volume, in cubic units, of the solid?
Thursday, April 16, 2015 by Anonymous

Strategies for the Independent Learner
When you approach a text, you should A. survey it, using the technique called SQ3R. B. dive right in at the first page and read the assigned section. C. skip over words you don’t know. D. read only the boldface type. 2. The proctored exams for your degree courses are A. ...
Thursday, April 16, 2015 by Jessica

math
given the equation -3x +2y =4, Write another equation that will form a linear system with: one solution, no solution and infinite solution. infinite solution: (-3x +2y =) * 3 -> -9x +6y =12 y=3/2x+4 -9x +6y =12 I think we have to multiple the first equation by non-zero ...
Thursday, April 16, 2015 by Jay

College Physics
Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1050Kg and was approaching at 8.00m/s due south. The second car has a mass of 700Kg and was approaching at 20.0m/s due west. A) Calculate the final velocity of the cars.(Note ...
Thursday, April 16, 2015 by Josie

Language Arts
1. What is one cause of the increased tension in Act 2 of The Diary of Anne Frank? Mr. Dussel to take control of the group Mr. Dussel picks on things that people care for or are sensitive about Peter is intentionally unkind to Margot and anne Mr. Frank asks Miep fro favors ...
Thursday, April 16, 2015 by Hailee

science
What do bone marrow (the soft connective tissue that fills the internal spaces in bone) and the dermis (layer of the skin under the epidermis and over the hypodermis) have in common? (1 point) • They are both sites of new cell formation. • They both contain or are ...
Thursday, April 16, 2015 by kkkk

calc(very urgent)
Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0<r<4 inches is placed in the bottom of the can. what is the radius of the bottom that requires the most water to cover it. (include first or second derivative...
Thursday, April 16, 2015 by May

please help! someone plz
Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0<r<4 inches is placed in the bottom of the can. what is the radius of the bottom that requires the most water to cover it. (include first or second derivative...
Thursday, April 16, 2015 by May

algebra
what is the first step when solving x/15=3/5? write a proportion using an unknown value x and the ratio 5:6 then solve it. in an orchestra, the ratio of trombones to violas is 1 to 3. a. there are 9 violas. write a proportion that gives the number t of trombones in the ...
Wednesday, April 15, 2015 by phan

Math (ASAP)
Write out the first 4 terms of the following sequence that is define recursively. a1=32 ak+1=1/2ak
Wednesday, April 15, 2015 by Gigi

chemistry
A compound has 85 % tin and 15% antimony. How many grams of antimony will be in 50. grams of the compound. My question is do I need to calculate the empirical formula first to do thi? I'm not sure where to start.
Wednesday, April 15, 2015 by Tina

math
Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0<r<4 inches is placed in the bottom of the can. what is the radius of the bottom that requires the most water to cover it. (include first or second derivative...
Wednesday, April 15, 2015 by Linda

calculus (optimization prob help!)
Imagine a flat-bottomed cylinderal container with a circular cross section of radius 4 in. a marble with radius 0<r<4 inches is placed in the bottom of the can. what is the radius of the bottom that requires the most water to cover it. (include first or second derivative...
Wednesday, April 15, 2015 by Linda

math
The batting averages of the first three batters in the Eureka College women’s softball team lineup are .310, .301, and .277. If the first three batters are considered as the “lead-off group”, what is the batting average of the group? A. .301 B. .296 C. There is ...
Wednesday, April 15, 2015 by Jane

Math (ASAP)
Write out the first 4 terms of the following sequence that is define recursively. a1=32 ak+1=1/2ak
Wednesday, April 15, 2015 by Gigi

Chemistry
Suppose you are assigned to prepare a buffer of 0.10M HNO2 (Ka=1.7 x 10^-4) and 0.10M NaNO2 by mixing equal volumes of both solutions. What is the pH of the resultant solution? How would I first start this question? I have no clue what the steps are to be frank.
Wednesday, April 15, 2015 by Janice

Science/Physics
My question is you walk 3.9 kilometers to school. In gym, you do the 12 minute run and actually make it 2.4 kilometers. After school you walk your friend home first and then go home it is 3.1 kilometers farther than your morning walk to school. What was your total distance ...
Wednesday, April 15, 2015 by Jenna

writting skills
1. Which one of the following comes first in an online catalog entry? A. Title of the book B. Year of publication C. Call number of the book D. Author's last name Student Answer: B Answer: Incorrect Reference: 2. You've located three books on a topic you're ...
Wednesday, April 15, 2015 by TYondra

english
Hello I am having quite a bit of trouble trying to figure out a better way to answer this. 1. In the video, The Fates Present: Pyramus & Thisbe,There are parts of the animated version in which there is a character, who appears at the beginning of the animation first, and who ...
Wednesday, April 15, 2015 by Sabrina

science
1. What do bone marrow and the epidermis have in common? They are both sites of new cell formation. They both contain structures that assist the body in cooling down if overheating occurs. They both contain or are associated with sensory neurons. They are both involved in ...
Wednesday, April 15, 2015 by amy

6th Grade Science Experiment
Hi, forget my first post. Can someone please explain what a dependent and independent variable is? Thanks and I don't have too much time either.
Wednesday, April 15, 2015 by MusicLover14

statistics
A tennis player makes a successful first serve 51% of the time. if she serves 9 times, what is the probability that she gets exactly 3 first serves in? assume that each serve is independent of the others.
Wednesday, April 15, 2015 by Anonymous

Math
How would you fine the relative extrema of f(x)=x+8^-x ? I know the first step is to find the derivative, which when I did I got f'(x)=1+[(-1)(ln(8))(8^-x)] Did I find the derivative correctly? And if I did, how do I find the zeroes of that??
Tuesday, April 14, 2015 by Jackie

6th grade math
While battling a forest fire , Samuel was only able to get three hours of sleep during the first day. What was the percent of the day was Sam awake F. 87.5% G. 37.5% H. 90% J. 10%
Tuesday, April 14, 2015 by Alex

calculus multiple choice
1.The region in the first quadrant bounded by the x-axis, the line x = ln(π), and the curve y = sin(e^x) is rotated about the x-axis. What is the volume of the generated solid? a: 0.906 b:0.795 c:2.846 d: 2.498 2.Find the average value of f(x)=2/x over the interval [1, 3...
Tuesday, April 14, 2015 by Anonymous

Chemistry
when titrating 50 mL of .10M H2SO45 with .10 M NaOH, how many mL of NaOH will you have added to reach first equivalence point?
Tuesday, April 14, 2015 by Kay

Chemistry
I am working on a five-part question and I just need help with the last part. I'm not sure where to begin with that one. I pasted the question and answers (for a-d) to the other parts below. Thank you! Consider the proposed mechanism for the reaction between nitrogen ...
Tuesday, April 14, 2015 by Lisa

math
find the first 3 term s of an arithmetic sequence in which the 21 term is -54 and the fifteenth term is -170
Tuesday, April 14, 2015 by Anonymous

Math
Neil needs to cut 3 long boards into 9 smaller boards. The first is 10 ft, the second is 16 ft, and third is 18 ft. The table lists the smaller boards Neil needs. Use a drawing to show how he can divide the 3 boards so there is no waste.
Tuesday, April 14, 2015 by Mimi

math
Neil needs to cut 3 long boards into 9 smaller boards. The first is 10 ft, the second is 16 ft, and the third is 18 ft. The table lists the smaller boards Neil needs. Use a drawing to show how he can divide the 3 boards so there is no waste. Length of board Number needed 4 ft ...
Tuesday, April 14, 2015 by Mimi

Reading
This is the last question! OK here it goes. In which sentence about A Christmas Carol is the word conveyed used correctly? Marley first conveyed through Scrooge's doorknocker The Thin and Portly men conveyed donation's in Scrooge's office Marely conveyed the ...
Tuesday, April 14, 2015 by Anonymous

Maths
Two flares are launched from a life raft. The height h of the first flare in metres above the sea is modelled by the formula h1= t2+t+1meters,and the second flare is h2=4-t where t is the time 12 in seconds after the flare is launched. Determine (i) Time taken and (ii) Height ...
Tuesday, April 14, 2015 by Baz

Physics
A train accelerates from the rest at the station A at a rate of 0.8 m/s2 for 25 s, the travels at constant velocity for 77.5 s before it comes to rest at the station B after period of retardation lasting 20 s. What is the distance between stations A and B, and the average ...
Tuesday, April 14, 2015 by Albert

physics
Choose one of the Laws of Thermodynamics (zeroth, first, second, or third) and give a brief summary of its development. Who is credited with "discovering" it and when? How did the four laws come to be ordered as they are? Please explain in detail
Tuesday, April 14, 2015 by liz

physics
A particle starts moving from rest with uniform acceleration.It travels a distance x in first 2 sec and a distance y in the next 2 sec.Then Answer) y=3x
Tuesday, April 14, 2015 by AVINAV KUMAR CHOURASIA

L.A
The word aloof is an English word borrowed from Dutch. It's meaning is "at a distance". In which of the following sentences is the word used correctly? A. Anne's sociable nature made her aloof in new situations. B. When he first arrived at the secrete Annex, ...
Tuesday, April 14, 2015 by Dawn

calculus
The base of a solid is the region in the first quadrant bounded by the graph of y = 3/(e^x) , the x-axis, the y-axis, and the line x=2. Each cross section of this solid perpendicular to the x-axis is a square. What is the volume of the solid?
Monday, April 13, 2015 by sss

Mia
A Screamingly Good Science Lesson Elizabeth Kibler 1Amusement park rides give us thrills, exhilaration, and delight. If you pay attention, these rides can give you something else—a science lesson. Roller coasters are amazing rides that can twist and veer until you scream...
Monday, April 13, 2015 by English

math
A professor gave his 40 students a test with three questions. Every student answered at least one question. Ten student did not answer the first question, 14 did not answer the second question, and 12 did not answer the third question. If 18 students answered all three ...
Monday, April 13, 2015 by Excel

criminal justice
In 1970, the District of Columbia passed the first __________ statute which authorized denial of bail to "dangerous" persons charged with certain offenses for up to 60 days.
Monday, April 13, 2015 by Heather

Algebra
How do I answer this? Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the length of the first shelf. The third shelf is 12 centimeters shorter than the first shelf. The remaining shelf is 4 centimeters...
Monday, April 13, 2015 by Ruth

Physics
Ann, Sam and you take a trip to the orbiting International Space Station, bringing along a hula hoop that is 1.02 m in diameter (= 2R) and has a mass Mh = 2.0 kg. You are watching from a viewport while Sam and Ann go outside for a (space) walk. You see both Sam and Ann ...
Monday, April 13, 2015 by Spencer

Statistics
I'm stuck on this homework question. If someone can just help get me started with the first one I'm sure I can do the rest. I'm just not sure how to begin. Thanks! 1. A production process produces 90% non-defective parts. A sample of 10 parts from the production ...
Sunday, April 12, 2015 by Emily

social studies 8th
1. What was the cause of American leaders’ initial refusal to enter World War I? (1 point) They wanted to maintain the country’s isolationist policy.*** They were not certain the country had the resources to fight. The United States did not wish to side with the ...
Sunday, April 12, 2015 by XenaGonzalez

Pre-calculus
The sum of the first two terms of an arithmetic series is 13 and the sum of the four terms is 46. Determine the first six terms of the series and the sum of the first six terms.
Sunday, April 12, 2015 by Tawana

physics- Space
How does the amount of dark matter in the Universe compare to the amount of ordinary matter? In what way is dark matter similar to ordinary matter? In what way are they different? I got the first one which dark matter is 23% of the universe. But for the other questions, the ...
Sunday, April 12, 2015 by Anonymous

Maths help
Two flares are launched from a life raft. The height h of the first flare in metres above the sea is modelled by the formula h1= t2+t+1meters,and the second flare is h2=4-t where t is the time 12 in seconds after the flare is launched. Determine (i) Time taken and (ii) Height ...
Sunday, April 12, 2015 by Ryan

Math
As of the 2012 Summer Olympics, the world record for women's long jump is 24 feet, 8 inches. How much longer is the world record than Sheila's first jump? Express your answer in yards. Sheila first jump measured 3 yards, 2 feet, 8 inches. Do I convert to inches or ...
Saturday, April 11, 2015 by AC

business mgmt
A company looking for venture capitalist funding is deciding on the design of its operating system for its new phone. The first option is to simply buy the OS from another company. This would result in sales of either 10,000 units if the market is not crowded with similar ...
Saturday, April 11, 2015 by jeannie

MATHSS PLESE HELP
Two flares are launched from a life raft. The height h of the first flare in metres above the sea is modelled by the formula h1= t2+t+1meters,and the second flare is h2=4-t where t is the time 12 in seconds after the flare is launched. Determine (i) Time taken and (ii) Height ...
Saturday, April 11, 2015 by VINNY

algebra
find 3 consecutive integers such that the sum of the squares of the first and second is 2 more than the third
Friday, April 10, 2015 by luke

Math
As of the 2012 Summer Olympics, the world record for women's long jump is 24 feet, 8 inches. How much longer is the world record than Sheila's first jump? Express your answer in yards. Sheila first jump measured 3 yards, 2 feet, 8 inches. Do I convert to inches or yards
Friday, April 10, 2015 by AC

Math
A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end of 7 days. P9x) = -x^2...
Friday, April 10, 2015 by Stacey

Math Homework
Sheila's first jump was 3 yards 2 feet 8 inches her second was 2 yards 1 foot 10 inches how much longer was her first jump? express your answer in inches I'm having a hard time setting this up
Friday, April 10, 2015 by AC

Finance
A bank is willing to give you a Rs1,000,000 home mortgage at 12% interest, compounded semiannually. The loan will be amortised over 25 years, but the interest rate is fixed for only the first 5 years. What is the monthly mortgage payment for the first five years? Rs 1000,000...
Friday, April 10, 2015 by Anonymous

statistics
A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss. She randomly assigns half of a group of overweight persons to a treatment group who are given the herb with instructions for its use and a planned diet for six weeks. The ...
Friday, April 10, 2015 by phia

physics
a car moves from A to B covering a distance of 1000km it covers the first 300km at 60km/h the next 400km at 80 km /h at what speed it should it cover the remaining distance so that achieve an average speed of 70km/h?
Friday, April 10, 2015 by jhanvi

physics
a car moves from car A to B covering a distance of 600km/h if it covers first 400km at 80km/h and the other remaining at 100km/h .What is the average speed for entire journey
Friday, April 10, 2015 by jhanvi

Calculus
During a certain epidemic, the number of people that are infected at any time increases at rate proportional to the number of people that are infected at that time. 1,000 people are infected when the epidemic is first discovered, and 1,200 are infected 7 days later. Write and ...
Thursday, April 9, 2015 by Anonymous

Math
A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end of 7 days. P9x) = -x^2...
Thursday, April 9, 2015 by Stacey

English
Which of the following correctly uses a transitional word or phrase? A. First impressions are so important in both personal and professional life. Addison shaved off his beard. B. Kara has been happily trying lots of new activities lately. For example, she took up needlepoint ...
Thursday, April 9, 2015 by Diana

maths
A G.P had its third term as 9 times its first term and its second term is one-twenty-fourth of its fifth term. what is its fourth term?
Thursday, April 9, 2015 by bengazi

Calculus
A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end of 7 days. P9x) = -x^2...
Thursday, April 9, 2015 by Stacey

algebra
How do I state which property of exponents justifies each step of this simplification?: 3^2x^6z^10/2^2y^18*x^4y^4z^4/5z^3*27z^6/​2^2x^2y^3 Im really stuck on this problem, I've managed to figure out the first 5 problems but this one is troubling me.
Thursday, April 9, 2015 by Maggie

math
The 1st,5th,13th term of an arithmetic sequence are the first 3 terms of geometric sequence with a common ratio of 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.
Thursday, April 9, 2015 by zack

Calc AB
Remember that f(x) must be one-to-one (only one y-value for each x-value) over the domain where f –1(x)is defined as a function. So, in some cases you must restrict the domain of f(x) so that it's one-to-one. There might be more than one section of domain that's ...
Thursday, April 9, 2015 by Thomas

Chem
If a .750g sample of magnesium chloride is dissolved in water and then treated with a silver nitrate solution how many grams of silver chloride should be collected? I don't understand what my first step should be. The balanced equation is MgCl2+2AgNO3=2AgCl+Mg (NO3)2 Do I ...
Thursday, April 9, 2015 by Maddy

physics
An object is released from rest at an unknown height h above the ground. One second later a second object is released from rest at the same height. When the first object strikes the ground, the second is 20 m above the ground. What is the initial height h?
Wednesday, April 8, 2015 by jon

History
The question is based on "Democracy in America" by Alexis de Tocqueville: "Although private interest directs the greater part of human actions in the United States as well as elsewhere, it does not regulate them all. I must say that I have often seen Americans ...
Wednesday, April 8, 2015 by Nadia

Accounting
Adelphia Corporation, which uses absorption costing, just completed its first year of operations. Planned and actual production equaled 13,000 units, and sales totaled 11,700 units at $184 per unit. Cost data for the year are as follows: Direct material (per unit) $ 37 ...
Wednesday, April 8, 2015 by Sarah

Math
Which of the following is an example of an independent event? A. Choosing one sock at random from your drawer, putting it on and then choosing another at random. B. Flipping a coin and rolling a number cube. C. Choosing students at random for basketball teams. D. Removing a ...
Wednesday, April 8, 2015 by Sonali

math
these marbles are placed in a bag and two of them are randomly drawn what is the probability of drawing two pink marbles if the first one is placed back in the bag before the second draw thebag has 10 marbles.2 yellow.3 pink.5 blue
Wednesday, April 8, 2015 by sharry

Accounting
Adelphia Corporation, which uses absorption costing, just completed its first year of operations. Planned and actual production equaled 13,000 units, and sales totaled 11,700 units at $184 per unit. Cost data for the year are as follows: Direct material (per unit) $ 37 ...
Wednesday, April 8, 2015 by Sarah

science (chemistry)
why does the pH of the acid solution initially increase very slowly when metal is first added to the acid solution, but gradually increase at a faster rate as the reaction proceeds to completion? I thought it may be because the metal is just then being completely dissolved but...
Wednesday, April 8, 2015 by brittany

english
Identify the complements in the following sentences. Then, tell whether each complement is a predicate nominative, a predicate adjective, a direct object, or an indirect object. If a sentence does not contain a complement, write no complement. [1] My brother made Mom a ...
Wednesday, April 8, 2015 by Khoua Yang

Art
Drawing: girl in a southern German folk costume it's the first picture in Google search. How did the designer of the German folk dress use the principles of art? A. The designer repeats colors throughout the apron to create unity. B. The designer uses different colors to ...
Tuesday, April 7, 2015 by Kanani

physics
A worker has to move a rock with mass 50 kg on a stairway from the first floor to the second floor of a house. The second floor is 4.6 m above the first floor and the stairway has 18 steps. The rock is lifted from step to step. How much energy (in Joule) has to be spend to ...
Tuesday, April 7, 2015 by diane

Physics
A rescue helicopter is lifting a man (weight = 868 N) from a capsized boat by means of a cable and harness. (a) What is the tension in the cable when the man is given an initial upward acceleration of 1.83 m/s2? (b) What is the tension during the remainder of the rescue when ...
Tuesday, April 7, 2015 by Kristyn

check my answers please
"President Lincoln’s Declaration of Emancipation, January 1, 1863" by Frances E. W. Harper 1 It shall flash through coming ages, 2 It shall light the distant years; 3 And eyes now dim with sorrow 4 Shall be brighter through their tears. 5 It shall flush the ...
Tuesday, April 7, 2015 by Amber

Math
An airplane climbs 100 feet during the first second of takeoff. In each succeeding second it climbs 100 feet more than during the previous second. How many seconds does it take for the plane to reach an altitude of 12000 feet?
Tuesday, April 7, 2015 by ER

Science
1. What do bone marrow (the soft connective tissue that fills the internal spaces in bone) and the dermis (layer of the skin under the epidermis and over the hypodermis) have in common? (1 point) • They are both sites of new cell formation. • They both contain or are...
Tuesday, April 7, 2015 by Kiara

math
In a contest , 2 participants were asked about their age . To test the strength of their math , they are asked to add their ages together. One answer 44 and the other gives 1280. The first obtained from the parse age with one another , while the second can multiply both their ...
Tuesday, April 7, 2015 by Iman

social studiesssssssssssssssssssssssssssss
2. Why did the United States enter World War I? (Choose all that apply.) (2 points) U.S. leaders wanted German territory. U.S. leaders wanted to aid German efforts in the war. U.S. leaders believed Germany had violated international law. The U.S. economy depended on ...
Monday, April 6, 2015 by Linda

ss need help
1. Which four states seceded from the Union after Fort Sumter? (1 point) Kansas, Missouri, Arkansas, and Kentucky Virginia, Maryland, Kentucky, and West Virginia North Carolina, South Carolina, Georgia, and Florida Arkansas, Tennessee, Virginia, and North Carolina 2. What ...
Monday, April 6, 2015 by bmx

Accounting
Bus Acquired Cost Salvage Value Useful Life in Years 1 1/1/13 $98,100 8,000 5 (straight-line) 2 1/1/13 129,000 11,900 5 (decline balance) 3 1/1/14 79,780 8,200 4 (units-of-activity) For the declining-balance method, the company uses the double-declining rate. For the units-of-...
Monday, April 6, 2015 by Anonymous

PLEASE HELP?????LANGAGUE ARTS
13. What is the best paraphrase of the first stanza? (1 point) I have a special place at the river where the wind goes through my hair and the ripples run across the river. I sometimes fish at the river. Sometimes I think about my life when I look at the river. I sit on the ...
Monday, April 6, 2015 by Linda

Physics
A rescue helicopter is lifting a man (weight = 868 N) from a capsized boat by means of a cable and harness. (a) What is the tension in the cable when the man is given an initial upward acceleration of 1.83 m/s2? (b) What is the tension during the remainder of the rescue when ...
Monday, April 6, 2015 by Kristyn

LA/READING(:
13. What is the best paraphrase of the first stanza? (1 point) I have a special place at the river where the wind goes through my hair and the ripples run across the river. I sometimes fish at the river. Sometimes I think about my life when I look at the river. I sit on the ...
Monday, April 6, 2015 by Linda

history
what are three things about Washington that made him the overwhelming favorite for the first president of the United States?
Monday, April 6, 2015 by jamisha

Reading//LA
"President Lincoln’s Declaration of Emancipation, January 1, 1863" by Frances E. W. Harper 1 It shall flash through coming ages, 2 It shall light the distant years; 3 And eyes now dim with sorrow 4 Shall be brighter through their tears. 5 It shall flush the ...
Monday, April 6, 2015 by Linda

algebra II
if a pitcher is just as likely to throw a ball as a strike, find the probability that t11 of his first pitches are balls.
Monday, April 6, 2015 by Mathquestions

AP CALC
At any time t=>0 , in days, the rate of growth of a bacteria population is given by y' = ky, where y is the number of bacteria present and k is a constant. The initial population is 1500 and the population quadrupled during the first two days. By what factor will the ...
Monday, April 6, 2015 by Rachel

English
2.The child was reluctant to (access/venture) into the closet at night because he was unsure whether child-eating monsters really inhabited it in the dark Venture? 3.Th Members of the student council(circulated/convened) promptly affter school to finish their plans for the ...
Monday, April 6, 2015 by M

physics
When using a double slit with light of wavelength 504 nm, it is observed that the 4-th order maximum of the interference pattern occurs at the positions of the first minimum in the diffraction pattern. If the width of the slits is 0.24 mm, what is in mm the separation of the ...
Monday, April 6, 2015 by Emily

Physics
The university skydiving club has asked you to plan a stunt for an air show. In this stunt, two skydivers will step out of opposite sides of a stationary hot air balloon 2,500m above the ground. the second skydiver will leave the ballon 20 seconds after the first skydiver but ...
Monday, April 6, 2015 by Jaime

mastering quantum mechanics
Problem 4: Variational principle and bounds (3 parts, 30 points) PART A (15 points possible) Consider a particle of mass m in a box of size L so the wave function vanishes at x=±L/2. Find an upper bound E∗ on the ground state energy Egs using a simple trial ...
Monday, April 6, 2015 by JuanPro

physics
A car speeds up uniformly from rest so that it has a velocity of 30ms -1 after 20 second.How far does the car travel in first 10 seconds?
Monday, April 6, 2015 by Michelle

physics
A car speeds up uniformly from rest so that it has velocity of 30 ms-1 after 20 seconds. Question/ How far does the car travel in first 10 seconds?
Monday, April 6, 2015 by Michelle

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