Questions Asked on
November 28, 2013

physics
A LiBr molecule oscillates with a frequency of 1.7×1013 Hz. (a) What is the difference in energy in eV between allowed oscillator states? (b) What is the approximate value of n for a state having an energy of 1.0 eV?
asked by Austin 
physics
(a) If the firstorder maximum for purewavelength light falling on a double slit is at an angle of 10.0º, at what angle is the secondorder maximum? (b) What is the angle of the first minimum? (c) What is the highestorder maximum possible here?
asked by Austin 
physics
The difference in energy between allowed oscillator states in HBr molecules is 0.330 eV. What is the oscillation frequency of this molecule?
asked by Austin 
science
A soil sample contains living and non living materials. Which material was once living? a.sand particles. b.small pebbles. c.decomposing leaves. d.water droplets.
asked by ezekiel 
biology
In a cross of heterozygous RW four o'clock plants (RW x RW) what proportion of the seeds will grow to produce pink flowers? A. 0 B. 0.25 C. 0.5 D. 0.75
asked by orpheus 
Probability and Statistics
The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a random sample of 15 adults is selected. If the number of college graduates in the sample is anywhere from 6 to 12, we shall not
asked by Katy 
math
A printer knows that a page of print contains 1273 words if large type is used and 1773 words if small type is used. A document containing 16521 words fills exactly 10 pages. Find how many pages are in each type.
asked by Anonymous 
Bio
A______ is a tentative, testable explanation for an observed phenomenon. I am confused with hypothesis and theory. But my guess is hypothesis. is this true? or am I wrong?? thanks
asked by J 
English
prepositional phrase? Appositive phrase? Participial phrase? Gerund phrase? infinitive phrase? Absolute phrase? Cape Code, a heavily settled peninsula southeast of Boston, has an interesting history. What is “a heavily settled peninsula southeast of
asked by Help!!!! 
Trigonometry
A person on a ship sailing due south at the rate of 15 miles an hour observes a lighthouse due west at 3p.m. At 5p.m. the lighthouse is 52degrees west of north. How far from the lighthouse was the ship at a)3p.m.? b)5p.m.? c)4p.m.? Please show the complete
asked by Ahlelie Reyes 
Physics
A 75 kg skier starts at rest on top of a icy inclined plane (with a 30 degree angle to the ground). He ends up going past the inclined plane and onto a flat ground. And comes to a rest. The coefficient of friction is .100. How long does it take for the
asked by Carter 
physics
A 0.0320m3 container is initially evacuated. Then, 5.27 g of water is placed in the container, and, after some time, all of the water evaporates. If the temperature of the water vapor is 352 K, what is its pressure?
asked by Anonymous 
MATH
PLEASE HELP ME PLEASE I REALLY NEED HELP!!!!!!!! :( Complete the table below.Draw the next few squares as needed.Write all ratios in simplest form. Shaded Blocks: 1  4  9  16  25    Total Blocks:
asked by Jen 
maths
what number is 6.24 greater than 12
asked by titilope 
science
Trisha poured some water over a pile of sand. Some of the sand washed away. This process is similar to which of the following? a.the eruption of volcano. b.the erosion of the walls of a canyon. c.the uplifting of mountain ranges. c.the forming of dunes or
asked by ezekiel 
Physics
Neutrons have a rest mass of 1.6749*1027 kg (equivalent to 939.6 MeV). If a certain neutron has a total energy of 949 MeV, what are its relativistic mass energy in MeV, its speed in m/s, its kinetic energy in MeV, and its momentum in kg.m.s1?
asked by Jane 
Pharmacy Technician
What online resource would you use to search for a medical abbreviation or acronym as well as find a particular drug manufacturer?
asked by Rosemary 
Trigonometry
if cot 2θ = 5/12 with 0≤2θ≤π find cos θ, sin θ, tan θ
asked by David 
ICT
write an algorithm to find the sum of two numbers
asked by ABUBAKARI 
language arts
Can you write a Biography report using and autobiography book on Andrea Bocelli. The report is due 3rd December, and he is my hero,idol and there are no books biography books in my library on him?
asked by josiah 
chemistry
A cylindrical glass of water (H2O) has a radius of 6.12 cm and a height of 9.91 cm. The density of water is 1.00 g/cm3. How many moles of water are contained in the glass?
asked by Anonymous 
Trigonometry
find the exact value of sin 2α if cos α=4/5 (α in quadrant I)
asked by David 
English
Can you please check the following five sentences? Thank you very much in advance. 1) The Elizabethan theatre had a circulal or octagonal wooden structure. 2) In the middle of which there was a pit opened to the sky. In it, there was the apron stage, the
asked by Franco 
Trigonometry
Write sin(125°) in terms of its cofunction. Make sure your answer is a function of a positive angle.
asked by David 
us hist
Between the election of 1860 and his inauguration, Abraham Lincoln A) contacted Jefferson Davis several times. B) worked very closely with President Buchanan. C) made serious attempts to reassure the South. D) did not show much leadership I think it's C?
asked by joe 
Trigonometry functions
find the reference angle of 11pi/3
asked by David 
socials question help plz!!
What contributions did the medieval lord make for future generations? please give full answers!!!
asked by smile0003 
biology
Differences between bacterial and mammalian transcription?
asked by Anonymous 
magnets
can an Amperian loop ever have a nonzero value of its line integral with the magnetic field.
asked by Sue 
Trigonometry
Write sin(125°) in terms of its cofunction. Make sure your answer is a function of a positive angle.
asked by David 
Trigonometry
if cot 2x = 5/12 with 0
asked by David 
pre algebra
what is 15 increased by 80%
asked by eggburt 
physics
A cylindrical glass of water (H2O) has a radius of 6.12 cm and a height of 9.91 cm. The density of water is 1.00 g/cm3. How many moles of water are contained in the glass?
asked by Anonymous 
Law
When a public official responsible for government contracts and buying receives a portion of the purchase price back from an outside vendor sales representative, the official is involved in a: A. bribe. B. kickback. C. payoff. D. payola. im confused
asked by Amy 
Trigonometry
evaluate cot 2x = 5/12 with 0
asked by David 
Trigonometry
find the exact value of tan 2β if sin β=5/13 (β in quadrant II)
asked by David 
Trigonometry
Write sin (125°) in terms of its cofunction. Make sure your answer is a function of a positive angle
asked by David 
management
using theory explain the importance of reward in stimulating individual performance
asked by queen 
social studies
how did poverty affect the aboriginal in canada in last 500 hundred years ?
asked by rose 
MICROECONOMICS
Explain the relationship between labor earnings and the distribution of income
asked by terry 
maths probability
Consider an experiment with four possible outcomes which we denote by Wi for i = 1,2,3,4. Sample space is Omega = {w1,w2,w3,w4}. Consider events A= {w1}, B = {w1,w2}, C = {w1,w2,w3} and D = {w2,w4}. Given that P(A) = 1/10, P(B) = 1/2, P(C) = 7/10, compute
asked by Jessica 
Bio
What type of polysaccharide is the main source of fiber in our diet? My guess was cellulose. Is this correct?
asked by J 
History
In Jefferson’s view, George Washington’s action in addressing the Whiskey Rebellion A. was appropriate but not sufficiently bold. B. amounted to an inappropriate overreaction. C. Wouldn’t have been necessary save for the influence of Republican Clubs
asked by Jen 
English
Anybody does not sleep well during the night. (Is this sentence grammatical?)
asked by rfvv 
Fundamentals of Storytelling
I'm conducting a preinterview with someone about the NHL's new partnership with Rogers Communications in Canada. The questions have to be related to the focus of this story, and I need to use my 5 W's (Who, What, When, Where, and Why) and How. I don't
asked by Alex L. 
Trigonometry functions
sketch the angle 2pi/3
asked by David 
civics
In modern society, what do we mean when we refer to the dividion of labor? A} the specializatoon of jobs in tthe medical field B}splitting work equally between two people C{all the jobs peopkle do are connected to other jobs D} the ways joconstruction jobs
asked by kimberly 
us hist
Clement L. Vallandigham believed there were two rebellions in progress, “the Secessionist Rebellion,” and “the Abolitionist Rebellion.” Vallandigham was a A) War Democrat. B) Peace Democrat. C) Copperhead. D) Radical Republican is it c.
asked by ? 
law help
In what ways are the fee fixing and collecting of defense lawyers different from other professions?
asked by patiance 
Simple Math
In 10 years, Mr. Yen will be twice as old as his daughter. Their ages now add up to 61. How old is each person. Can you show me all the steps because I have a unit test tmw:) thankyou
asked by SHINee 
Trigonometry
Cot θ = 1/Tan θ = Cos θ/Sin θ =  SQRT of 15/7 =
asked by David 
English
1. Anybody does not sleep well during the night. 2. Not anybody sleeps well during the night. 3, Nobody sleeps well during the night. (Which ones are correct? Are they the same?) 4. Not all sleep well during the night. 5, All do not sleep well during the
asked by rfvv 
physics URGENT
3. Using conceptual meaning of g = Fg/m [N/kg], answer the following: a) What does the spring scale read on the surface of the Moon?
asked by aly 
biology
if i have a mutation in the 'I' region of the ara operon that can't bind to the araC protein. how is the mutation effecting the function of the operon?
asked by Anonymous 
maths
what number is 10 times bigger than one half.
asked by titilope 
Behavioural Economics
1.Which of the following is NOT one of the mantras prescribed the practitioner’s guide to nudging? (any one) A. If you want people to do something, make it easy and fun B. Always run betweenparticipant experiments to ensure a test of causality C. There
asked by Anonymous 
currerent amd magnetism
An Aluminium wire of 1mm diammeter below the critical temperature of 1.2 K. iTS CRITICAL MAGNETIC FIELD IS 0.01t, What is the maximum current in Amperes that you can send down the wire for it to remain superconducting? what formular can I use to solve
asked by Tom 
Math
g(x)=(x^2+2x+1)/(x^2x6) 1. Find any holes in the graph of g(x) 2. Find any horizontal or oblique asymptote for the graph. 3. Determine where (if any at all) the graph of g(x) crosses the horizontal or oblique asymptote.
asked by hiroko 
maths
maria baught two fans 3605.she sold one at aprofit of 15%and the other one at aloss of 9%.if maria got the same amount for each fan find the cost price of each fan.
asked by shikha 
Math
How do you turn decimal to fraction?
asked by Suruchi Kunwar