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2013
April
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April 20, 2013
Consider a single photon with a wavelength of λ, a frequency of ν, and an energy of E. What is the wavelength, frequency, and
3 answers
asked by
Shai
17,065 views
a 5kg block is pushed 3m up a vertical wall with constant speed by a constant force of magnitude f applied at an angle of 30
3 answers
asked by
Annette
3,540 views
Two blocks of masses m1 = 2kg. and m2 = 4kg. are each released from rest at a height of h = 5m. on a frictionless track, and
2 answers
asked by
Annette
3,088 views
A steel tube has an outside diameter of 15 cm, an inside diameter of 13 cm,and is 3.7 m long.
What is the volume of the steel
2 answers
asked by
danny
3,053 views
A real object is located at the zero end of a meter stick. A large concave mirror at the 100 cm end of the meter stick forms an
1 answer
asked by
Anonymous
2,433 views
You are measuring the concentration of Fe2 in a sample by measuring the absorbance of its complex with ferroxine. Your sample,
1 answer
asked by
Shai
2,350 views
4. The total value of the $1 bills and $5 bills in a cash box is $124. There are 8 more $5 bills than $1 bills. How many of each
1 answer
asked by
ki
2,309 views
r=-.96 between cravings for pizza and ability to concentrate on studying
1 answer
asked by
carla
2,178 views
Hello Dr.Bob. Could you check my work please? I'm not sure if I'm right in how I solved this problem.
Which of the following
2 answers
asked by
Constantine
2,155 views
1.
Which equation represents a nonlinear function? (1 point) y = x + 7 y = 3x – 1 y = 3x2 + 1 y = x – 1/2 Is the answer "y =
4 answers
asked by
Delilah
2,000 views
1. Ms.lynch has 21 coins in nickels and dimes. Their total value is $1.65. How many of each coin does she have?
2. A vending
2 answers
asked by
kathryn
1,631 views
For the given functions f and g, find the following and state the domain of each result.
f(x)=sqrtx;g(x)=5x-9 (a) (f*g)(x)= What
1 answer
asked by
Anonymous
1,594 views
what is the solid remains in lithium trioxonitrate v
3 answers
asked by
Okyere Emmanuel
1,388 views
A car uses 114 g of petrol to travel one mile.
Calculate the mass of carbon dioxide produced when this car travels one mile.
4 answers
asked by
Reece
1,382 views
According to King, how did the Vietnam War affect U.S. policy at home?
3 answers
asked by
Brianna
1,380 views
Ziegler Corporation purchased 25,000 shares of common stock of the Sherman Corporation for $40 per share on January 2, 2010.
1 answer
asked by
Andrew
1,367 views
A cubic crate of side s=2.0m is top-heavy: its CG is 18cm above its true center.
Part A) How steep an incline can the crate rest
0 answers
asked by
Andrew
1,351 views
For questions 1 and 2, use integer values of x from –3 to 3 to graph the equation.
1. y = –2x2 + 3 (1 point)
9 answers
asked by
Katter
1,347 views
The second of two numbers is 7 times the first. Their sum is 72. Find the numbers.
5 answers
asked by
kathryn
1,309 views
identify one environmental or human factor that causes ill health,accidents,crises and disasters within the community and
19 answers
asked by
angel grace
1,300 views
Charlene made the sketch below in order to find the height x of a pole. She positioned a mirror on the ground so that she could
3 answers
asked by
Anonymous
1,266 views
Find the weight to the nearest kg, of the cement block. Cement weighs 1700 kg/m3.
12cm x 10cm and 40cm x 20 cm x 20cm.
1 answer
asked by
Dee
1,254 views
1. Which of these is a benefit of unstructured outdoor play?
A. Learning of rules B. Emotional well-being C. Video game skill D.
8 answers
asked by
Anonymous
1,243 views
Complete each sentence, using a nominative pronoun. Identify how the pronoun is used in the sentence.
1). Yesterday, my little
5 answers
asked by
Anonymous
1,213 views
Heating an ore of antimony (Sb2S3) in the presence of iron yields antimony and iron (II) sulfide.
Sb2S3 + 3 Fe = 2Sb + 3 FeS When
1 answer
asked by
Andrea
1,143 views
Community organizations that are involved in supporting or giving redress to these disasters.
2 answers
asked by
Rotshidzwa
1,141 views
Sam wants to build a table with that triangular top. If that tabletop has a height of 4 feet and a base of 3.5 feet, what is the
1 answer
asked by
Payden
1,047 views
* JJ Thompson *
* what was he credited for discovering the cathode ray tube? * How does his experiment relate to electrostatics?
0 answers
asked by
Isis
1,036 views
Write the function whose graph of y=(x+4)^2, but is reflected about the y axis.
y=
0 answers
asked by
Karlee
1,032 views
A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows:
26 said
0 answers
asked by
Anonymous
1,026 views
Given the following piecewise function
f(x)= {-x+1 for x < 0 {-1 for 0 ≤ x ≤ 3 {-2x for x > 3 a) Find the domain b) Find the
1 answer
asked by
Anonymous
1,020 views
I'm Christian and I'm applying to a catholic high school (due to the budget cuts in my district). The thing is that I'm required
2 answers
asked by
Lauren
1,015 views
combining form and suffix to form number 1 abnormal softining of a kidney
1 answer
asked by
gloria
1,010 views
find an equation of the tanegent line to the curve 3xsquared + 5ysquared=8 at the point (1,1)
0 answers
asked by
Leslie
979 views
Provide 5 ways in which you critically discuss how life style in the legal n illegal drugs among the youth
1 answer
asked by
prudence
967 views
Complete each sentence below, using an objective pronoun. Then, tell how each pronoun is used in the sentence.
1). Skipping rope
5 answers
asked by
Anonymous
963 views
A die has one red face, two blue faces, and three green faces. It is rolled 5 times. Find the chance that the red face appears
9 answers
asked by
AmmanJordan
957 views
Is this true?
It is possible for two rectangles to have the same area without having the same perimeter??
2 answers
asked by
Tamara
950 views
A 0.0583 mol sample of formaldehyde vapour, CH2O, was placed in a heated 0.359 L vessel and some of it decomposed. The reaction
1 answer
asked by
alex
891 views
can you tell me how to begin a sentence with BECAUSE :eg. My sister fell down and thought she had broken her leg.she went to the
3 answers
asked by
R S Telagathoty
887 views
The NSC-68 documentreflected the American Belief
A.)that military spending would help the ecomony B.)that huge sacrifices would
1 answer
asked by
Kat
884 views
If the sum of 3 non-zero distinct real numbers a, b and c is 2 , and the two sets {a,b,c} and {1/a ,1/b ,1/c} are the same, what
0 answers
asked by
Tony
883 views
how can you study before time for exams i am unable to do please give me study tips
1 answer
asked by
mpho
874 views
Provide recommendations on how to address this enviromental problem.
1 answer
asked by
Rotshidzwa maragwana
856 views
What is the rotational kinetic energy of a planet about its spin axis? Model the planet as a uniform sphere of radius 6000 km,
2 answers
asked by
Anonymous
855 views
What was the future BC called in the early 1800s?
What challenges did George Simpson encounter when he became governor of the HBC
2 answers
asked by
Myu
841 views
Describe how a farmer would maintain a laying flock in one of the systems you have named and use these
0 answers
asked by
Rampo Dieketseng
840 views
what is the change in temperature if 24g of water at 50 degrees C absorbs 985j of heat energy
1 answer
asked by
jeremy
826 views
During the 1950s, the Central Intelligence Agency engineered pro-American political coups in both
A.)Iraq and Nicaragua B.)Libia
1 answer
asked by
Kat
775 views
Identify and describe one environmental problem that causes ill health,accidents,crises,and disasters within your community or
1 answer
asked by
Refiloe Majafe
768 views
what is 1000 [?] 81 [?] 190 = 10
0 answers
asked by
rica
738 views
6. The forward motion of a space shuttle, t seconds after touchdown, is described by
s(t)� = 189t − t^3 , where " is measured
2 answers
asked by
I JUST NEED TO KNOW D
698 views
A capacitor of capacity C is charged fully by a cell of emf V/2 and then it is
disconnected and again connected with a cell of
0 answers
asked by
Clandestine
672 views
1. the sum of 3 numbers is 207. the 2nd # is 8 times the first, while the third is 3 less than the first. find the #s.
2. the
1 answer
asked by
kelly
653 views
A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a frictionless wall.
Determine a formula for the
0 answers
asked by
Andrew
650 views
A child’s kite is on top of a straight pine tree. A ladder is placed against the tree and touches the kite. The ladder forms a
1 answer
asked by
Tom
644 views
A hockey puck of mass .2kg is sliding down an inclined plane with an angle of 15 degrees to the horizon. If the puck is moving
1 answer
asked by
Cassie
631 views
There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a
7 answers
asked by
Stranger
623 views
How many grams of NaCl must be added to 225.0 g
of H2O at 45 °C to lower the vapor pressure of water by 2.21 mmHg? The vapor
1 answer
asked by
Kelly
617 views
Is there any online COOP exam I can practice to pass that COOP exam I'm taking (I'm applying to catholic high school. It's a
3 answers
asked by
Laruen
617 views
The size to which a pumpkin grows while on the vine is probably problematic, as our current visiting POLY pumpkins demonstrate.
W
1 answer
asked by
Tho
605 views
Find the specified value of the following functions and state the domain of each one.
f(x)=x-11;g(x)=7x^2 (a) (f+g)(5)=
1 answer
asked by
Hannah
603 views
Hello Dr.Bob. Could you please take a look at the following question? I know the correct answer for it, but I'm not sure how to
1 answer
asked by
Constantine
601 views
reaction of benzoic acid with propylamine. if there no reaction why
0 answers
asked by
felice
597 views
A large 61.0 kg board is propped at a 45 degree angle against the edge of a barn door 2.9m wide.
How great a horizontal force
0 answers
asked by
Andrew
580 views
A 3 cm flower is placed 40 cm from a converging lens with a focal length of 15 cm. What are the orientation, size and type of
1 answer
asked by
Jesha
575 views
(a) One such reaction fuses two nuclei of carbon-12 (12/6C ) to form an atom
of neon (20/10Ne ) with the emission of an
0 answers
asked by
john ergent help pleaseeeeeeeeeeeeeeeeeee?
556 views
Calculate the mass of water in kg and tonne contained in a rectangular tank with the following dimensions: width of 3.2000
1 answer
asked by
Danny
551 views
How many mL of 0.100M HCl are needed to neutralize 49.0mL of 0.104M Ba(OH)2 solution?
1 answer
asked by
Rochele
551 views
A researcher asks participants to sample tap water and bottled water. out of 40 people, 28 selected bottled water. was the
1 answer
asked by
Anonymous
545 views
I have to compute the determinant of the matrix without using a calculator. If the determinant is zero, write singular matrix.
1
0 answers
asked by
Josh
532 views
This has to do with vectors...I'm wondering if I set up the diagram correctly?
A plane has a speed of 250mph and flies with a
3 answers
asked by
Mary
530 views
If 10.4 liters of O2 at STP are produced by the electrolysis of water, how many coulombs of charge were required?
3 answers
asked by
sarah
529 views
How would I solve this:
Mr. Merrill has 3 times as many nickels as dimes. The coins have a total of $1.50. How many of each coin
3 answers
asked by
katy
526 views
a flower floats on the surface of lake water. its level above the lake surface is 5.5 cm. then a sudden gust of wind comes and
1 answer
asked by
shield
524 views
In return for the old American destroyers, the British gave the USA
A.) six air bases in Scotland and Iceland. B.) a role in
1 answer
asked by
Kat
522 views
A circle of radius 1 is drawn in the plane. Four non-overlapping circles each of radius 1, are drawn (externally) tangential to
0 answers
asked by
Anonymous
521 views
The cannonball is fired at a speed of 45 and an angle of 35 . A cannonball that was accidentally dropped from the top of the
2 answers
asked by
jeff
520 views
Critically discuss 6 Ways in which the drought can impact negatively in one's health
1 answer
asked by
ndumiso
519 views
An alloy contains 39.5 mass% silver (Ag) and has density og 7.86 g/ml What volume of alloy would be needed to contain 12.0g of
1 answer
asked by
Chad
518 views
Ms Perez owns 2 properties in different towns. The 1st property is assessed at $125,000 and has a tax rate of $6.35 per 1000
1 answer
asked by
Jane
507 views
Identify and describe one environmental problem that causes ill health,accidents,crises,and disasters within your community or
1 answer
asked by
Refiloe Majafe
502 views
* JJ Thomson *
a) How does his experiment of cathode ray tube relates to electrostatics? >> PLEASE HELP ME!! :( :)
1 answer
asked by
Isis
497 views
some 24% of the men compared to 62% of the women responded yes suppose that 150 women and 200 men were interviewed construct a
1 answer
asked by
jim
496 views
Identify and describe 3 environmental health that cause ill health, crises and or disaster within your community or any any
1 answer
asked by
surprise
480 views
Explain why academic and professional research must use credible sources.
1 answer
asked by
mary
469 views
To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6
0 answers
asked by
AmmanJordan
466 views
Jay has an annual income of $50,000. He would qualify for a $__________ monthly payment for housing + other long-term debt on an
1 answer
asked by
tmouery
464 views
Explain how market research helps producers maximize profits
0 answers
asked by
Layla Pearson
464 views
What was the future BC called in the early 1800s?
What challenges did George Simpson encounter when he became governor of the HBC
0 answers
asked by
Myu
462 views
Find the total surface area of a closed cylinder having a diameter of 1.000 m and 15.000 mm and a length of 12.000 m and 55.000
1 answer
asked by
Danny
460 views
solve the equation step by step list each step along with the property you used during that step -5*1*11*4
0 answers
asked by
amanda
457 views
What are the important features of a building which could be used as a milking shed(parlour),dairy(milk room)and food store to
1 answer
asked by
Rampo Dieketseng
457 views
Describe how a farmer would maintain a laying flock in one of the systems you have named and use these
1 answer
asked by
Rampo Dieketseng
456 views
A marathon runner will burn 1.25x10^7 j during a race. If the calorie content of 12.0 oz. of Gatorade is 80.0 kilocalories, how
1 answer
asked by
Chad
451 views
What are human/environmental problems impacts on the community
1 answer
asked by
Collen
446 views
Critically discuss 5 ways in which the human envornmental(smoking)problem impacts on the community.provide relevant sources to
1 answer
asked by
Gugu
430 views
At high temperature, 2.00 mol of CH2O was placed in a 4.00 L container where it decomposed via the equilibrium
1 answer
asked by
alex
430 views
In two successive chess moves, a player first moves his queen four squares forward, then moves the queen three steps to the left
0 answers
asked by
bill
418 views
I will call you before i leave for station.Leave only after i call. ans : If I do not ... ... .... .... ... .... . will you
1 answer
asked by
R S Telagathoty
414 views
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