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Questions Asked on January 26, 2014

What is the speed of a proton whose kinetic energy is 12.9 keV?
1. 1 answer
2. asked by Anonymous
3. 6,389 views
A cannon ball is fired horizontally with a velocity of 50m/s from the top of a cliff 90m high,after how many seconds will it
1. 6 answers
2. asked by Temi
3. 4,967 views
Which of the following best describes the Columbian Exchange that occurred during the Age of Discovery?A. It was an exchange of
1. 5 answers
2. asked by shawn
3. 4,778 views
calculate the heat of fusion of ice from the following data at 0°c add to water :Mass of calorimetet 60 g Mass of calorimeter
1. 2 answers
2. asked by Anonymous
3. 4,165 views
hey everyone can you guys please answer these 5 questions or 3 or 2 how many you want to answer I just need answers for these
1. 23 answers
2. asked by Annabelle
3. 3,105 views
Alex bought 144 bagels for $80. His profit was $75 once he had sold 100 bagels. Which equation represents Alex's profit,P as a
1. 3 answers
2. asked by Bethany
3. 2,658 views
at elevated temperature, NaHCO3 (83.98g/mol) is converted quantitatively to Na2CO3 (105.98g/mol).Ignition of 0.3592g sample of
1. 2 answers
2. asked by Anonymous
3. 2,650 views
A woman is now 4 times older than her daughter.Six years ago,the product of their ages was 136.Find their present ages.
1. 3 answers
2. asked by mandy
3. 2,418 views
the resultant force due to action of four forces is f1 which is 100N, along the negative y-axis.three of the force are 250N,320
1. 2 answers
2. asked by Anonymous
3. 2,356 views
Sam has 9 yellow pencils in his desk. 3/4 of his pencils are yellow. How many pencils does Sam have in his desk?3rd grade
1. 5 answers
2. asked by Lily
3. 2,351 views
There ar 54 rows of 29 seats in a movie theatre.Estimate the number of seats in the movie theatre.calculate the actual number
1. 5 answers
2. asked by vukani
3. 2,306 views
Suppose Meagan needs to drive the truck 10 miles to her new home.a) What is the cost of using Truck A? b) What is the cost of
1. 2 answers
2. asked by Ryan
3. 2,214 views
1/2 of the birds at a pet store are yellow. tara buys 1 of the yellow birds. then 1/3 of the yellow birds at the store are
1. 8 answers
2. asked by Hannah
3. 2,213 views
A metal sphere is insulated electrically and is given a charge. If 50 electrons are added to the sphere in giving a charge, how
1. 1 answer
2. asked by Saziye
3. 2,034 views
"superman is in level flight 6 miles above ground. his flight plan takes him directly over whs high school. how fast is he
1. 1 answer
2. asked by eric
3. 1,905 views
Convert the following mixed number to an improper fraction: 12 3/4
1. 1 answer
2. asked by Dee
3. 1,784 views
Suppose that one number contains the same digit as another number, but in resverse order. What is true about the difference of
1. 4 answers
2. asked by Linda
3. 1,715 views
"superman is in level flight 6 miles above ground. his flight plan takes him directly over whs high school. how fast is he
1. 2 answers
2. asked by eric
3. 1,691 views
Two like charges of the same magnitude are 8.0 mm apart. if the force of repulsion they exert upon each other is 4.0 N, what is
1. 1 answer
2. asked by John
3. 1,543 views
julia has 8 red barrettes. 2/4 of her barrettes are red. how many barrettes does julia have?please explain, is it one whole?
1. 3 answers
2. asked by stella
3. 1,441 views
tony has 15 pennies in his pocket. 5/8 of his coins are pennies. how many coins does tony have in his pocket?
1. 2 answers
2. asked by kelly
3. 1,414 views
suppose a ball is thrown upward from a height of 4.5 feet with an initial velocity of 21 feet per second. write an equation
1. 4 answers
2. asked by sam
3. 1,357 views
Why isn't the surface area of a sphere with radius r the following:2*pi * (pi*r) That comes from the following flow of logic:
1. 1 answer
2. asked by John
3. 1,338 views
A couple wishes to rent a car for one day while on vacation. Ford Auto Rental wants $35.00 per day and 14¢ per mile, while
1. 3 answers
2. asked by John
3. 1,335 views
Agatha maintains that people are capable of freely making voluntary choices. Constance is mainly focused on how aggression is
1. 4 answers
2. asked by jenee
3. 1,193 views
Which of the following statements is true of life in the New England colonies? A. Only married women could exercise control of
1. 1 answer
2. asked by Shawn
3. 1,104 views
Say you have two substances, A and B. A has a melting point of 300 degrees Celcius, while B has a melting point of 200 degrees
1. 1 answer
2. asked by Louis
3. 1,077 views
A fire hose held near the ground shoots water at a speed of 6.5 m/s1. At what angle(s) should the nozzle point in order that the
1. 0 answers
2. asked by PHYSICS
3. 1,063 views
Consider the reaction A+B->C+3D. A solution was prepared by mixing 50 ml of .001 M of A, 100 ml of .002 M of B, 10 ml of 1 M of
1. 1 answer
2. asked by Anonymous
3. 1,060 views
When a 3.00-g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of 1.123 kJ·K–1, the
1. 1 answer
2. asked by Cindy
3. 1,024 views
The tendency of Congress to defer to the President in foreign policy has at times led toan American dictatorship. a plebiscitary
1. 3 answers
2. asked by Heather
3. 1,018 views
Model fractions.1/ the flag of France is shown on the right . What fraction of the flag is red? 🇫🇷 The answer: 1 - 3 2/
1. 5 answers
2. asked by Nawaf
3. 1,017 views
A restaurant bought 4 gross eggs. Estimate what number of eggs that is. Hint:1 gross eequl to 144_
1. 1 answer
2. asked by vukani
3. 1,010 views
A biologist studying a desert ecosystem observes that the population of a lizard species increases following a particularly hot,
1. 2 answers
2. asked by Elina
3. 988 views
A cannon ball is fired horizontally with a velocity of 50m/s from the top of a cliff 90m high,after how many seconds will it
1. 1 answer
2. asked by Temi
3. 942 views
a bullet of mass 40g strikes a stationary wooden block of mass 6kg horizontally at 500m per second.the bullet goes through the
1. 2 answers
2. asked by omphile
3. 937 views
If each balloon is filled with carbon dioxide at 20 deg. C and 1 atmosphere, calculate the mass and the number of moles of
1. 3 answers
2. asked by Gary
3. 919 views
A small glass bead that has been charged to 4.4 nC? What is the strength of the electric field 2.0 cm from the center of the
1. 0 answers
2. asked by Johnathan
3. 908 views
I'm writing an essay about an author using a specific literary device to prove their purpose. Is indirect/direct
1. 1 answer
2. asked by amy
3. 844 views
Theodore Lowi suggested the remedy for cumbersome bureaucracy wasreturning to juridical democracy. delegating even more
1. 5 answers
2. asked by Heather
3. 831 views
Assuming that gasoline is pure octane (d = 0.703 g/mL), how many metric tons of CO2 are released in a year by an SUV that gets
1. 3 answers
2. asked by Dez
3. 827 views
If the product of n and 17 is 340. What is the sum of n and 17?
1. 3 answers
2. asked by Elina
3. 815 views
A cannon ball is fired horizontally with a velocity of 50m/s from the top of a cliff 90m high,after how many seconds will it
1. 2 answers
2. asked by Temi
3. 810 views
Which of the following has a prefix that means 'not' or opposite of?1. Understand 2. Until 3. Underling 4. Unfortunately 5.
1. 2 answers
2. asked by Hloniphile
3. 789 views
Compute the density in g/cm3 of a piece of metal that has a mass of 0.360 kg and a volume of 74 cm3.
1. 1 answer
2. asked by Len
3. 780 views
1. Which gas is a source of natural groundwater pollution?A. Carbon B. Oxygen C. Hydrogen D. Radon d? 2. A stream channel is
1. 3 answers
2. asked by Beatrice
3. 771 views
Which of the following is true with the regard to the Navigation Acts by the eighteen century? A. The colonists become used to
1. 6 answers
2. asked by shawn
3. 755 views
a gas has a volume of 95 mL at a pressure of 930 torr. What volume will the gas occupy at standard temperature if pressure is
1. 1 answer
2. asked by Mikhail
3. 736 views
Control of the bureaucracy through legislative oversight is a matter of (Points : 1)denying Congress’ power of the purse.
1. 2 answers
2. asked by Mariah
3. 731 views
Is Coulomb's law consistent with Newton's Third Law? In particular, how doF^elec A-->B and F^elec B--->A compare in magnitude?
1. 0 answers
2. asked by hulide
3. 720 views
In the figure Q=4.6 nC and all other quantities are exact. What is the magnitude of the force on the charge Q?The figure is a
1. 0 answers
2. asked by Can
3. 718 views
A proton is located at x = 1.0 nm, y=0.0nm. and an electron is located at x=0.0nm y=3.0nm. Find the attractive Coulombic force
1. 0 answers
2. asked by Jennifer
3. 710 views
calculate the expansion work done when 50 g of water is electrolyzed under constant pressure at 25 c...why i get 6.8kj
1. 0 answers
2. asked by jayantthi
3. 707 views
If changing conditions lead to decreased oxygen levels in the stream, the carrying capacity of the stream for the trout will
1. 2 answers
2. asked by Elina
3. 706 views
An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 23.0 m/s and
1. 1 answer
2. asked by Melissa
3. 704 views
The Panic of 1837 resulted in large measure fromA. the policies of Martin Van Buren's administration B. the policies of John
1. 2 answers
2. asked by Shawn
3. 691 views
Which of the following entities may not use the cash method of accounting?A partnership with average annual gross receipts in
1. 0 answers
2. asked by Homie
3. 690 views
A patient receives 2900mL mL of an IV {\rm IV} solution containing 1g g of glucose per 100 mL.How much energy, in kilojoules,
1. 1 answer
2. asked by shaniqua
3. 688 views
A bag contains 300 marbles, each of the same size, but in six different colours. Suppose there are 50 marbles of each colour.
1. 1 answer
2. asked by Linda
3. 680 views
The 2000 presidential election is an example of where it is possible towin the popular vote but not have a majority vote in the
1. 4 answers
2. asked by Heather
3. 680 views
A person stands at a distance from the tower and eyes the top of the tower at 30 degree angle of elevation. He then walks 425
1. 3 answers
2. asked by Lynn
3. 671 views
The ratio of boys to the total number of students in a school play is 7:10. There are 9 girls in the school play. How many
1. 1 answer
2. asked by J'Naya Hilliard
3. 657 views
How would you solve these systems? I'm in need help!! Thanks so much!1. -7x-6y=-21 -x-6y=-3 2. -7x+2y=13 -14x+4y=26 3. 2x+10y=30
1. 3 answers
2. asked by Anonymous
3. 655 views
Carts of mass 3 kg and 10 kg move on a frictionless horizontal track with speeds of 4 m/s and 3 m/s, respectively. The carts
1. 1 answer
2. asked by killi
3. 650 views
A patient is infected with an organism that enters the cell and uses the cell's energy parts to grow andmultiply. What type of
1. 1 answer
2. asked by Diana K
3. 645 views
Use the quadratic formula to find the zeros of fF(x)=2x^2-4x-11
1. 3 answers
2. asked by Anonymous
3. 644 views
While working on your physics homework in your dorm room you notice a flowerpot fall past your window because someone has
1. 0 answers
2. asked by Henry
3. 637 views
A barefoot ﬁeld-goal kicker imparts a speedof 33 m/s to a football initially at rest. If the football has a mass of 0.75 kg
1. 0 answers
2. asked by gdx
3. 634 views
A barefoot ﬁeld-goal kicker imparts a speedof 33 m/s to a football initially at rest. If the football has a mass of 0.75 kg
1. 0 answers
2. asked by gdx
3. 631 views
A solution is prepared by dissolving 38 g of H2S04 in 220 g water. If the density of the solution is 1.96 g/ml, find its:molalit
1. 0 answers
2. asked by Drenju
3. 630 views
How can I paraphrase this sentence?1. "To cut a long story short, one day I decided to be a man about my feelings"
1. 4 answers
2. asked by Hloniphile
3. 629 views
A metal sphere is insulated electrically and is given a charge. If 50 electrons are added to the sphere in giving a charge, how
1. 1 answer
2. asked by Hamide
3. 627 views
A psychologist studied self esteem scores and found the sample data set to be normally distributed with a mean of 50 and a
1. 1 answer
2. asked by Stephanie
3. 623 views
A parcel has a mass of 794g. Estimate the mass of 32 of these parcels together
1. 1 answer
2. asked by vukani
3. 623 views
Jacques Cartier sailed to the New York in 1534 in search of A. Gulf of St. Lawernce B. Newfoundland C. Montreal D. A northwest
1. 2 answers
2. asked by Shawn
3. 622 views
Player hits the ball at point A an angle of 45 degrees on a pool table that measures 9’ by 4.5’. How many times will the
1. 2 answers
2. asked by Jenn
3. 593 views
Among members of George Washington cabinet _____ had a pessimic view of human nature and a dread of democratic excess. A. Adams
1. 3 answers
2. asked by Shawn
3. 590 views
How far apart should two protons be if the electrical force of repulsion is equal to the weight (attraction to the Earth) of one
1. 0 answers
2. asked by Gulnihal
3. 587 views
Two volleyballs, each of mass 0.300 kg, are charged by an electrostatic generator. each is attached to an identical string and
1. 1 answer
2. asked by sakne67
3. 587 views
In which phase of the cell cycle are the chromosomes split?A. Anaphase B. Telophase C. Prophase D. Metaphase It is D?
1. 2 answers
2. asked by Diana K
3. 574 views
You are a Middle Ages cannonball scientist attacking a castle a distance D away. Your job is to get a cannonball of mass m over
1. 0 answers
2. asked by Henry
3. 574 views
what can i study with these subjects,currently doing matric and don't know what to study plz help?would like a well paying job
1. 1 answer
2. asked by nkululeko
3. 570 views
4 girls shared a pizza equally for lunch. If one of them gave away 1/3 of her share, what fraction of the pizza had she left?1.
1. 4 answers
2. asked by LARA
3. 570 views
In Mesoamerica, the shift to basic crops, including corn, beans, and squash is referred to as the ______ revolution. A. Native
1. 1 answer
2. asked by Shawn
3. 569 views
A car travels in a straight line for 5.1 h at aconstant speed of 94 km/h . What is its acceleration?
1. 2 answers
2. asked by kee
3. 561 views
In America, the main influence of the Enlightenment was expressed through A. family life B.philosophies of religion C.moral
1. 2 answers
2. asked by Shawn
3. 559 views
Under America's second party system, the whigs stood forA. a "negative liberal state." B. policies that kept government hands
1. 2 answers
2. asked by Shawn
3. 559 views
True or false? Volcanic eruptions cause damage only when they are close to the crater's rim.
1. 1 answer
2. asked by Anonymous
3. 554 views
A car of mass 1500 kg accelerates up a hill of incline 8 degrees, increasing its speed from 4 ms to 16 ms over a distance of
1. 0 answers
2. asked by Robert
3. 553 views
A teacher has a 10m roll of ribbon 3 cm wide . She cuts off 7 equal lengths 3 cm wide to make team bands for PE . There is 90 cm
1. 2 answers
2. asked by lily
3. 551 views
write and row reduce the augmented matrix to find the general solution:2x - z = 2 6x + 5y + 3z = 7 2x - y = 4
1. 2 answers
2. asked by Liz
3. 550 views
How do I find the magnitude from this data:theta_1 = 44.9 theta_2 = 146.1 A = 4.8 cm B = 8.7 cm
1. 6 answers
2. asked by Tsion
3. 548 views
a small sphere with a mass of 108.0 g is moving along the y-axis when it encounters an electric field of 5.0i N/C . If the
1. 1 answer
2. asked by Cananisi
3. 547 views
Two forces of 5 N and 7 N respectively act on an object when will the resultant of the two vectors be at a maximum?
1. 1 answer
2. asked by Mabeka
3. 546 views
What I mean by a "running number" is that the average is always changing. If I turn in 10 homework assignments and the grades
1. 1 answer
2. asked by Help
3. 544 views
The Article of Confederation is called for which of the following? A. A single legislative body B. The Northwest Ordinace C. A
1. 3 answers
2. asked by Shawn
3. 540 views
A compound inequality uses one of the words and or or. Explain how you will determine whether to use the intersection or union
1. 1 answer
2. asked by Mark
3. 539 views
How far apart should two protons be if the electrical force of repulsion is equal to the weight (attraction to the Earth) of one
1. 1 answer
2. asked by Gugubi
3. 535 views
write and row reduce the augmented matrix to find the general solution:x - 2y + 13 = 0 y - 4x = 17
1. 1 answer
2. asked by Liz
3. 535 views
Jacques Cartier sailed to the New World in 1534 in search ofA. the Gulf of St. Lawrence. B. Newfoundland. C. Montreal. D. a
1. 2 answers
2. asked by shawn
3. 532 views

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