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Questions Asked on March 14, 2016

figure 3.1 shows a rectangular concrete slab of weight 18000N. It rests on a brick wall and is the roof of a bus shelter. The
1. 4 answers
2. asked by Atta
3. 4,214 views
Your body is covered with skin. It helps regulate body temperature, gathers information from theenvironment, and what other
1. 22 answers
2. asked by Aeliayo
3. 5,123 views
A 1L flask contains 0.2moles of air open to atmosphere at 0degree celcius. Upon heating some of the air is lost. What is the
1. 0 answers
2. asked by william
3. 473 views
In a crazy scenario, the Oylan Vinegar Company has 10,000 gallons of vinegar with 0.622% concentration. This vinegar solution
1. 0 answers
2. asked by Mads
3. 578 views
Carbon tetrachloride reacts at high temperatures with oxygen to produce two toxic gases, phosgene and chlorine.CCl4(g) +
1. 0 answers
2. asked by md
3. 822 views
From a sample set of 10 colored balls--5 green, 3 red and 2 yellow-- 5 are chosen at random WITH replacement. What is the
1. 2 answers
2. asked by Jazz
3. 758 views
How to write a real world problem that compares the ratios 5to 9 and 12to 15
1. 1 answer
2. asked by Daniel
3. 466 views
solve by elimination method to find an ordered pair.7x-y=27 x+9y=77
1. 3 answers
2. asked by leigh
3. 644 views
1. Which of these sentences is using appositive phrase correctly?a. The Grand Canal, which is the oldest man-made waterway in
1. 23 answers
2. asked by Etta
3. 3,417 views
Why do people have stress learning new information?
1. 2 answers
2. asked by Boberto
3. 403 views
Calculate for Bohr's atomic model the speed of the orbiting electron in then = 7 state. (Answer in m/s)
1. 0 answers
2. asked by Physics Lover
3. 499 views
How much energy is required to ionize hydrogen when it is in the state withn = 6? (answer in eV)
1. 0 answers
2. asked by Eduardo
3. 526 views
The size of Rutherford's atom is about 0.1 nm.(a) Calculate the speed of an electron that moves around a proton, based on their
1. 0 answers
2. asked by Eduardo
3. 625 views
What is the wavelength of light that can cause a transition of an electron in the hydrogen atom from the orbit withn = 6 to n =
1. 0 answers
2. asked by Clara
3. 436 views
The size of Rutherford's atom is about 0.1 nm.(a) Calculate the attractive electrostatic force between an electron and a proton
1. 1 answer
2. asked by Clara
3. 927 views
A grizzly bear is running at a speed of 25m/s with respect to a man. The man is running 20m/s with respect to a rock. What is
1. 0 answers
2. asked by Bobby
3. 391 views
An airplane has a velocity of v=(5m/s)i + (4m/s)j at t1= 3s. For the time interval from t1=3 seconds to t2=13s the average
1. 1 answer
2. asked by Bobby
3. 527 views
Write a program to read the names and age of 10 people and print the name of the oldest person.assume that there are no person
1. 1 answer
2. asked by k
3. 2,619 views
A car is traveling north at 15 m/s ten minutes later it is traveling at 70 m/s what is the car s initial velocity what is its
1. 1 answer
2. asked by Kathy
3. 1,585 views
1. I am a good cook, amn't I?2. I am a good cook, aren't I? 3. I am a good cook, ain't I? 4. I am a good cook, am I not? (Which
1. 1 answer
2. asked by rfvv
3. 759 views
How can geothermal energy affect the use of fossil fuels?
1. 2 answers
2. asked by reiley
3. 553 views
A balloon filled with 3.5 L of helium at 20 °C and 3 atm. What will be the new pressure if its volume increases to 17.5 L at
1. 1 answer
2. asked by Anonymous
3. 650 views
Explain the following statement: "The validity of a chemical analysis ultimately depends on measuring the response of the
1. 2 answers
2. asked by KAMBOYI KAMBOYI
3. 1,285 views
what is the difference between vlan and subnetting ?
1. 0 answers
2. asked by sofia
3. 333 views
The length of a rectangular piece of steel in a bridge is 3 meters less than double the width. The perimeter of the piece of
1. 2 answers
2. asked by Dee365
3. 953 views
A 5000-Hz car horn is blasted while the car is moving at 35.0 m/s toward a dazed physics student (stationary). What is the
1. 1 answer
2. asked by Sneha
3. 523 views
Where did you get 5E-5.Is this how you set it up? 0.01 x 0.05 = 5E-4 If so, is it supposed to be 5E-4 instead of 5E-5? What is
1. 0 answers
2. asked by Nevaeh
3. 606 views
Because you are bored one afternoon, you decide to try a little experiment. You open your eye very wide, extend your thumb, and
1. 2 answers
2. asked by lily
3. 742 views
Is the answer for part c 0.91?A 1.0 L ball containing Ar at 5 atm is connected to a 10.0 L ball containing N2 at 2atm.
1. 0 answers
2. asked by Nevaeh
3. 766 views
20% of the children in sport club play tennis25% of the children who play tennis also play rounder there are 8 children in the
1. 33 answers
2. asked by Sebastian
3. 7,036 views
I got an answer of -1.34 x 10^3 KJ/mol.A 10.00 mL aliquot of 0.100 M NaOH is added to 15.00 mL of 0.100M HCl in a coffee cup
1. 0 answers
2. asked by Nevaeh
3. 663 views
When the ray of light travels from air to glass slab and strikes the surface of separation at 90 degree , then it ..........
1. 3 answers
2. asked by rohit
3. 715 views
When the ray of light travels from air to glass slab and strikes the surface of separation at 90 degree , then it ..........
1. 2 answers
2. asked by rohit
3. 730 views
We did a titration of calcium hydroxide lab in chemistry, once with and once with edta, we have to calculate the solubility for
1. 0 answers
2. asked by Dan
3. 592 views
The first term of A.P. of 20th terms is 2and its last term is 59 . Find its 6th term from the end .
1. 1 answer
2. asked by komal
3. 614 views
Suppose that the microwave radiation has a wavelength of 12 cm . How many photons are required to heat 255 mL of coffee from
1. 0 answers
2. asked by christina
3. 918 views
find the angle of projection at the horizontal range is twice the maximum height of a projecyile
1. 2 answers
2. asked by junoo
3. 1,168 views
at certain altitude in the upper atmosphere, the temperature is estimated to be -100 degree celsius and the density just 10^-9
1. 0 answers
2. asked by taylor
3. 430 views
What is the pH at the titration of 40 mL of 1.5 M Tartaric acidwith 30ml of 0.6 M NaOH?
1. 0 answers
2. asked by Evelyn
3. 411 views
dicusselastic collision in one dimension.Obtain expression for velocities of two bodies after such a collision
1. 0 answers
2. asked by Priti
3. 484 views
a survey showed that 50 students were surveyed. 42 liked football, 15 liked tennis, 12 liked both football and tennis. How many
1. 1 answer
2. asked by jenny
3. 755 views
four 240ohms light bulb are connected in series, what is the total resistance of the circuit and what is their resistance if
1. 1 answer
2. asked by Donita
3. 647 views
In To Kill A MockingBird book by Harper Lee. What is the Boo Radley game? Who plays it and how do the different characters feel
1. 0 answers
2. asked by Hannah
3. 448 views
Social studies is fun/difficult/easy/interesting/exciting.Math Is _________. Science is _________.
1. 1 answer
2. asked by rfvv
3. 654 views
9.9 rounding to the nearest meter
1. 7 answers
2. asked by Bob
3. 1,063 views
The 18th term of an A.p is 25.(a) find it's first term when the common difference is 2.(b) what term of an A.p gives 49
1. 4 answers
2. asked by Aliyu
3. 5,013 views
A concrete slab of mass 400 kg accelerates down a concrete slop inclined at 35degree. The kenetic friction b/n the slab and
1. 6 answers
2. asked by Yaekob
3. 1,398 views
one of the roots of the quadratic equation x^2-(4+k)x+12=0fine, 1)the roots of the equation 2)the possible values of k please
1. 3 answers
2. asked by p1
3. 509 views
1. I'm worried about my English.- Why don't you practice speaking more? 2. I'm worried about English. - ( ) (Is this correct
1. 1 answer
2. asked by rfvv
3. 736 views
A 13 gram sample of an unknown metal at 26.5°C is placed in a Styrofoam cup containing 50.0 grams of water at 88.6°C. The
1. 1 answer
2. asked by Ehab
3. 661 views
1. what is the term for data that are grouped closely together?a. outlier b. liner c. positive d. clustering 2. what association
1. 15 answers
2. asked by UNKNOWN
3. 8,302 views
Using Normal Tables, Find The Probabilities Of P( -1.50 < Z < 2.50)
1. 1 answer
2. asked by Biodam
3. 441 views
A flask contains 300 ml of 0.4M NaCl. ¿How many moles of NaCl are in 15ml?
1. 2 answers
2. asked by jess
3. 532 views
NEED HELP WITH THIS THANKS!!!TOGETHER, RYAN AND MAX HAD 195 BASEBALL CARDS. ONCE MAX GAVE 3/8 OF HIS CARDS TO ANOTHER FRIEND, HE
1. 2 answers
2. asked by TYSON
3. 1,174 views
at 500K, Kc for the reaction:H2 +D2 gives 2HD is 3.6 what is the value of Kc for 2HD gives H2 +D2
1. 0 answers
2. asked by Yashika
3. 734 views
List three ways in which the yield of ammonia in the reaction above can be improved for a given amount of H2.
1. 0 answers
2. asked by Chastity
3. 417 views
3. The Haber¡VBosch process for fixation of nitrogen is one of the more important chemical reactions ever invented. Without the
1. 0 answers
2. asked by Chastity
3. 660 views
How to convert 13million to scientific notation?
1. 1 answer
2. asked by Lavanya
3. 399 views
Multiple choice (show your work if any):1) Two point charges q1=-10^-5 C and q2=-9×10^-5 C are placed respectively at two
1. 1 answer
2. asked by vicky
3. 531 views
A cylinder has a radius of 4x + 2 and a height of 5x — 4. Which polynomial in standard formbest describes the total volume of
1. 4 answers
2. asked by Cassidy
3. 6,615 views
one of the roots of the quadraticequation x^2-(4+k)x+12=0 find, 1)the roots of the equation 2)the possible values of k please
1. 1 answer
2. asked by p1
3. 599 views
The cloth has an area of 20 square feet. What could be the dimensions of the piece of cloth?
1. 1 answer
2. asked by red
3. 525 views
identify three courses or study fields
1. 1 answer
2. asked by silent
3. 429 views
After placing a 0.500 m dent in the landlords van, the two management students are told they andtheir 200 daN beer freezer have
1. 0 answers
2. asked by tom
3. 426 views
Women and overweight people often experience backpain. Let us explore the reason for this. Assumethe women has a weight of 60.0
1. 0 answers
2. asked by tom
3. 473 views
In Act II we see Friar Lawrence dealing with herbs and flowers and talking about their chemical properties. This is what
1. 3 answers
2. asked by Marylyn
3. 597 views
Shakespeare is known for writing in what style?1: Prose 2:Lambic Pentameter 3: Parliament My pick is #2 is this correct?
1. 1 answer
2. asked by Marylyn
3. 515 views
Identify three courses or study fields you are interested in following after grade12 write them down in order of preference
1. 1 answer
2. asked by martha
3. 520 views
list a emotional, and social benefit of physical activity
1. 1 answer
2. asked by day
3. 577 views
in how many ways could a band of singers and 5 drummers be selected from 4 singers and 6 drummers.of a band of 7 members are to
1. 1 answer
2. asked by mojisola
3. 786 views
The correlation coefficient for blood pressure and amount of vegetables eaten in a group of people is −0.7. Analyze the
1. 3 answers
2. asked by Oscar
3. 2,300 views
Jorge has prepared his science project on a piece of poster board that has an area represented by the trinomial x2 + 5x – 50.a
1. 2 answers
2. asked by Anonymous
3. 798 views
Brittany is checking whether the pool she wants to buy will fit in her backyard. The pool with the patio measures 4 m by 5 m.
1. 0 answers
2. asked by Anonymous
3. 675 views
Sonnet 130 by ShakespeareMy mistress’ eyes are nothing like the sun; Coral is far more red than her lips’ red; If snow be
1. 2 answers
2. asked by Justine
3. 875 views
What amount of energy is needed to change 1 kg of O degrees Celsius ice to 10 degrees Celsius water?
1. 1 answer
2. asked by Logan
3. 465 views
During class elections 64 students voted for candidate A .if the ratio of votes for candidate a is to the votes for candidate B
1. 2 answers
2. asked by chris
3. 690 views
Read the following paragraph and answer the question that follows:Musical theatre changed my life. When I was a child, I was
1. 1 answer
2. asked by Oscar
3. 1,511 views
Calculate the power of a crane in watts which lifts a man of 100kg to a height of 10m in 20sec
1. 4 answers
2. asked by Naman
3. 650 views
Triangle ABC and <1 congruent <2Prove: AD/AB = De/BC
1. 1 answer
2. asked by Susanne
3. 440 views
I am a native of North America by Chief Dan Geirge.Man must love fully or he will become the lowest of the animals. It is the
1. 44 answers
2. asked by Help!
3. 11,188 views
How much ATP energy would you get from a tripeptide that, upon hydrolysis and deamination, makes two acetyl CoA and one pyruvate
1. 0 answers
2. asked by Anonymous
3. 762 views
In classical tragedy what causes the downfall or destruction of the hero?1: The actions of the antagonist or villain 2:The
1. 2 answers
2. asked by Marylyn
3. 907 views
of these sentences is using appositive phrase correctly?a. The Grand Canal, which is the oldest man-made waterway in the world,
1. 1 answer
2. asked by Help!
3. 963 views
Read the following excerpt from H.G. Wells' The War of the Worlds, and answer the question that follows:The planet Mars, I
1. 4 answers
2. asked by Oscar
3. 3,348 views
How many possible lunch combinations can I choose from with 12 meats, 20 side items, 7desserts, and 8 drinks?
1. 2 answers
2. asked by Lillian
3. 453 views
In orders to study law at bloemfontein university how many points should I get
1. 1 answer
2. asked by tshimololo
3. 380 views
A three-digit integer has been divided by 9. As a result, the sum of the digits decrease by 9.How many three-digit numbers
1. 0 answers
2. asked by Amitabha
3. 502 views
Given a number, a strange calculator can only do the following: multiply it by 2 or by 3, or toraise it to the power 2 or 3.
1. 0 answers
2. asked by Amitabha
3. 551 views
Multiple choice (show your work if any): 1) Two point charges q1=-10^-5 C and q2=-9×10^-5 C are placed respectively at two
1. 2 answers
2. asked by vicky
3. 675 views
1. Which of these sentences is using appositive phrase correctly?a. The Grand Canal, which is the oldest man-made waterway in
1. 7 answers
2. asked by Etta
3. 1,965 views
A concave makeup mirror is designed so that a person 29 cm in front of it sees an upright image magnified by a factor of two.
1. 0 answers
2. asked by megan
3. 670 views
What is the exchange of gases between the lungs and the blood?A. Internal respiration B. Posterior respiration C. External
1. 4 answers
2. asked by Martin1162
3. 1,491 views
The food molecules that cannot be ________ need to be eliminated from the body.A. Ingested B. Digested C. Regurgitated D. All of
1. 3 answers
2. asked by Martin1162
3. 419 views
yan gets allowance money every day. On Monday he gets 5 cents. On Tuesday he gets 12 cents. On Wednesday he gets 19 cents. On
1. 2 answers
2. asked by bea
3. 727 views
Hi! Can anyone check my answers please?Which type of sentence is shown below? Meet me outside after your ballet class. A.
1. 4 answers
2. asked by JDOGYO
3. 1,037 views
Identity three courses or study field you are interested in following after grade 12
1. 6 answers
2. asked by Anonymous
3. 969 views
The bottom of a shopping bag measures 8 inches by 10 inches. The bag has a height of 12 inches. How much paper is needed to make
1. 6 answers
2. asked by Rayleigh
3. 1,093 views
Shortly after quitting a smoker willA. Develop shortness in breath B. Regain their senses of smell and taste C. Lose circulation
1. 20 answers
2. asked by Tyler
3. 3,639 views
F(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4. What is f(x)-g(x)? Show all of your steps.I honestly have no idea how to do this. Can
1. 1 answer
2. asked by sage
3. 593 views
What is the trachea commonly called?A. Voice box B. Vocal cord C. Windflute D. Windpipe A? i don't get this please HELP ME!!!
1. 4 answers
2. asked by Martin1162
3. 603 views

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