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Questions Asked on February 17, 2014

If 1600 square centimeters of metal is available to make a box with a square base and an open top, find the largest possible
1. 2 answers
2. asked by Anonymous
3. 9,738 views
An electron with speed 2.35×107m/s is traveling parallel to a uniform electric field of magnitude 1.16×104N/C .How far will
1. 2 answers
2. asked by James
3. 8,007 views
A 75 kg man weighs 735 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 15% of his
1. 4 answers
2. asked by Anonymous
3. 5,913 views
In the moss, the sporophyte is sometimes referred to as a 'semi-parasite'. Explain why this is so.
1. 11 answers
2. asked by Lesego
3. 5,363 views
ok, i really don't know this one and i cant post the pic of the triangle, so im gonna go to extremes here if u want to find the
1. 17 answers
2. asked by TTR+S<3
3. 4,977 views
Assume that you take data on the projectile range for a variety of different launch angles A at a fixed initial velocity Vo. You
1. 3 answers
2. asked by Tim
3. 4,247 views
Some insects can walk below a thin rod (such as a twig) by hanging from it. Suppose that such an insect has mass m and hangs
1. 2 answers
2. asked by Robin
3. 3,798 views
1) Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The first dissociation step is: H3BO3 ⇌ H^+ +
1. 2 answers
2. asked by Mello
3. 3,161 views
For a given initial projectile speed, you observe that the projectile has a certain range R at a launch angle A = 30 degrees.
1. 2 answers
2. asked by Tim
3. 3,145 views
Hyabuza Japanese Restaurant received an invoice, dated February 20, 2011, for supplies they ordered that had a list price of
1. 1 answer
2. asked by Anonymous
3. 2,960 views
You know that a gas in a sealed container has a pressure of 111 kPa at 23 degrees Celsius. What will the pressure be if the
1. 2 answers
2. asked by victoria
3. 2,897 views
For a given initial projectile speed Vo, calculate what launch angle A gives the longest range R. Show your work, don't just
1. 2 answers
2. asked by Tim
3. 2,768 views
A physics book slides off a horizontal table top with a speed of 1.30 m/s . It strikes the floor after a time of 0.380s . Ignore
1. 2 answers
2. asked by Sean
3. 2,757 views
The difference of two complementary angles is 18. What is the measure if the two angles
1. 3 answers
2. asked by Taylor
3. 2,673 views
Fe2O3(s) + 2Al(s)-> 2Fe(l) + Al2O3(s)What is the theoretical yield of iron if we begin the reaction with 10.5 g of Al (assume an
1. 2 answers
2. asked by tgt
3. 2,672 views
Why couldn't the chicken find her egg?
1. 4 answers
2. asked by Maddie
3. 2,604 views
No system is completely closed off from its surroundings. Which represents a system that is almost completely closed?A. a capped
1. 5 answers
2. asked by dark1
3. 2,601 views
Calculate the pH of a 0.2M solution of Triethylamine, (C2H5)3N, with a Kb of 4.0x10^-4
1. 2 answers
2. asked by Jessica
3. 2,511 views
Lighthouse B is 7 miles west sof lighthouse A. A boat leaves A and sails 15 miles. At this time, it is sighted from B. If the
1. 1 answer
2. asked by McKenna Louise
3. 2,449 views
Two parallel plates separated by a distance of 2.0 x 10^-2 meter are charged to a potential difference of 1.0 x 10^2 volts.
1. 1 answer
2. asked by kingg
3. 2,294 views
A 1277 mL sample of nitrogen (N2) was collected by displacement of water at 24 degrees C under a total barometric pressure of
1. 3 answers
2. asked by Gabriella
3. 2,289 views
Which invention was the basis for the major developments in American transportation?a.steam engine ** b.wagon axle c.canal lock
1. 8 answers
2. asked by Anonymous
3. 2,264 views
The modern grocery has cashews that sell for $4.00 a pound and peanuts that sell for 2.50 a pound. How much of each must Albert
1. 3 answers
2. asked by Taylor
3. 2,261 views
An automobile tire has a pressure of 325 kPa when the temperature is 10 degrees Celsius. If the temperature of the tire rises to
1. 2 answers
2. asked by victoria
3. 2,217 views
Equation: Fe+CuCl2>FeCl2+CuThe ratio of moles of copper produced to moles of iron reacted should be 1:1,but I get 60:17 in
1. 2 answers
2. asked by Tommy
3. 2,140 views
A rental car agency charges $15 per day plus $.11 per mile to rent a certain car. Another agency charges $18 per day plus 8
1. 4 answers
2. asked by Taylor
3. 1,987 views
Which statement best describes the inertia of an object?A.Inertia is the tendency of an object to resist a change in its motion.
1. 1 answer
2. asked by victoria
3. 1,871 views
In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each
1. 1 answer
2. asked by Billy
3. 1,751 views
• If you use a cart with half the mass, you reach _______final speed.• If you use half the force, you reach ______ final
1. 1 answer
2. asked by Ted
3. 1,697 views
how to post a link with jksha knowing ?
1. 2 answers
2. asked by Mary
3. 1,615 views
Approximately how much water should be added to 10.0 mL of 12.4 M HCl so that it has the same pH as 0.90 M acetic acid (Ka = 1.8
1. 3 answers
2. asked by Debbie
3. 1,575 views
The rate of effusion of unknown gas X is found to be about 1.5 times that of SF6 gas (MW=146 g/mol) at the same conditions of
1. 1 answer
2. asked by Gabriella
3. 1,569 views
A golfer, standing on a fairway, hits a shot to a green that is elevated 5.50 m above the point where she is standing. If the
1. 1 answer
2. asked by Jacob
3. 1,563 views
The Achilles tendon is attached to the rear of the foot as shown in (Figure 1) . A person elevates himself just barely off the
1. 1 answer
2. asked by may
3. 1,536 views
Equation: Fe+CuCl2>FeCl2+CuWe put two iron nails into the copper chloride solution:1. mass of empty dry beaker:103.64 2. mass of
1. 0 answers
2. asked by Tommy
3. 1,444 views
If a cylinder’s radius and height are each shrunk down to a third of the original size, what would be the formula to find the
1. 1 answer
2. asked by anon
3. 1,362 views
When solving a system algebraically how can you tell if there is no solution
1. 1 answer
2. asked by Taylor
3. 1,347 views
The volume of a square pyramid is equal to _____ times the volume of a cube where the bases are the same, but the square pyramid
1. 6 answers
2. asked by anon
3. 1,306 views
Part 1 of 3:An apparatus consists of a 2 L flask containing nitrogen gas at 30 degrees C and 758 kPa, joined by a valve to a 11
1. 1 answer
2. asked by Gabriella
3. 1,302 views
A rental car agency charges $15 per day plus $.11 per mile to rent a certain car. Another agency charges $18 per day plus 8
1. 4 answers
2. asked by Taylor
3. 1,284 views
If the fundamental frequency of an 70 cm long guitar string is 470 Hz, what is the speed of the traveling waves?
1. 1 answer
2. asked by Catherine
3. 1,269 views
A rental car agency charges $15 per day plus $.11 per mile to rent a certain car. Another agency charges $18 per day plus 8
1. 7 answers
2. asked by Taylor
3. 1,205 views
48 weeks ago, Gabriella invested at 3.9% interest, compounded weekly. Today, her investment is worth $225.50. How much interest
1. 2 answers
2. asked by Leah
3. 1,202 views
A 55 kg box is pulled with constant speed across the floor with a rope that is at an angle of 40 degrees above the horizontal.
1. 2 answers
2. asked by Brenda
3. 1,158 views
A straight road slopes upward 14 degrees from the horizontal. A vertical telephone pole beside the road casts a shadow of 60
1. 1 answer
2. asked by Keserie
3. 1,140 views
four similar cars having same mass are running at the same speed on the same speed and when breaks are applied at the same time
1. 1 answer
2. asked by Sandhya Rajesh
3. 1,118 views
The basic retailing equation states that the cost of an item is not equal to the selling price plus the markup.TRUE or FALSE
1. 3 answers
2. asked by Anonymous
3. 1,118 views
A basketball player makes 80% of her free throws. Recently during a very close game, she shot 5 free throws near the end of the
1. 0 answers
2. asked by BOWERSHE
3. 1,108 views
Each person in Sharae's family of 5 eats 3 bowls of cereal each week. Her mother is going grocery shopping and wants to know how
1. 3 answers
2. asked by Ashley
3. 1,105 views
EliminationX+2y=5 -3x+6y=15
1. 1 answer
2. asked by Taylor
3. 1,082 views
Explain how a firm's objectives may affect its search for opportunities.
1. 1 answer
2. asked by Janet
3. 1,079 views
Mr. Jarvis invested a total of 10,437 in two savings accounts. One account earns 8% simple interest per year and the other earns
1. 1 answer
2. asked by Taylor
3. 1,067 views
What form of energy provides power for a gas stove? That's Chemical Energy, right?
1. 5 answers
2. asked by dark1
3. 1,054 views
1. If you were to argue that although a person with an IQ of 60 cannot be a world-renowned physicist, she or he still has the
1. 1 answer
2. asked by Any
3. 1,037 views
What type of cell does our brain use to control muscle movement?A)sensory neurons B)retinas C)synapses D)motor neurons I think
1. 1 answer
2. asked by Isabella
3. 1,016 views
1. Modern-day determinism tends to be based in:A. religious teachings. B. science. C. the idea of predestination. D.
1. 2 answers
2. asked by Any
3. 1,015 views
Hello I am having a bit of trouble with my DQ for this week and I was wondering if anybody could help me?The DQ for this week
1. 1 answer
2. asked by Kala
3. 979 views
1) In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the
1. 0 answers
2. asked by Tyler
3. 976 views
Consider the equation A(aq) + 2B(aq) 3C(aq) + 2D(aq). In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0 mL 0.100 M B.
1. 1 answer
2. asked by Sana
3. 971 views
Hi I need help thinking of a title for my graphic novel. It is about India and its exploitation of children. Could someone help
1. 3 answers
2. asked by Serena
3. 965 views
A basketball player makes 80% of her free throws. Recently during a very close game, she shot 5 free throws near the end of the
1. 1 answer
2. asked by BOWERSHE
3. 942 views
In what direction does heat flow? Why do particles of matter transfer thermal energy in this direction?
1. 3 answers
2. asked by Alex
3. 941 views
what is the hypertonic hypotonic isotonic ,
1. 1 answer
2. asked by mohammed
3. 918 views
Which of the following describes how matter moves between producers, consumers, and decomposers in an ecosystemA) One-way flow
1. 1 answer
2. asked by Nicole M
3. 886 views
A person who weighs 600 newtons on Earth would weigh only 100 newtons on the Moon.Which statement best explains why? A.The
1. 3 answers
2. asked by victoria
3. 885 views
The dining room at Monticello, Thomas Jefferson's home in Virginia is 216 inches by 222 inches. Of the following , which size
1. 3 answers
2. asked by Anonymous
3. 884 views
What does the program 7-Zip do for the files on your computer?A. It provides security for your computer when you're not using
1. 1 answer
2. asked by Lilly
3. 881 views
Can an element be separated from a compound? Can an element form a compound?The reaction of zinc metal and hydrochloric acid
1. 3 answers
2. asked by Roma
3. 871 views
I am stuck on this one and was wondering if anyone can help me out!Why does sodium nitrate (166.5) have a bigger molar entropy
1. 1 answer
2. asked by devon
3. 863 views
A group of 52 people attendance ball game. There are three times as many children as adults in the group. Write a system of
1. 1 answer
2. asked by Taylor
3. 858 views
A rectangular garden is surrounded by a roll of chicken wire fencing to keep out the rabbits. The dimensions of the garden are
1. 1 answer
2. asked by Imran
3. 856 views
A cannon shoots a cannonball with an initial speed of 25 m/s at an angle 13.1. What is the x component of the cannonballs
1. 1 answer
2. asked by Michelle
3. 839 views
can I get some help with these questions. im not sure on these onesDuring the stage of internal combustion engine operation in
1. 1 answer
2. asked by cali
3. 837 views
Acetylene gas c2h2 reaction cac2+2h2o. C2h2+Ca(oh)2 how many moles of cac2 needed to prepare 10.0 g c2h2 please show work and
1. 1 answer
2. asked by Victor
3. 835 views
How would various company objectives affect the development of a marketing mix for a new type of internet browser software? If
1. 2 answers
2. asked by Janet
3. 833 views
Graph the following equation and if possible, determine the slope.y=-1 I know the slope is 0. I know that one of the plots for
1. 1 answer
2. asked by Student5
3. 817 views
WHICH OBJECT WILL REQUIRE THE MOST FORCE TO TOSS IT 2 METERS
1. 5 answers
2. asked by MARRY
3. 807 views
A group of 52 people attendance ball game. There are three times as many children as adults in the group. Write a system of
1. 2 answers
2. asked by Taylor
3. 805 views
A researcher conducted an experiment on the effects of a new “drug” on depression. The researcher had a control group that
1. 1 answer
2. asked by brandi
3. 802 views
You exert a larger force on the cart than the cart exerts on you. T/FWhen you stop pushing, the cart will continue moving at the
1. 1 answer
2. asked by Ted
3. 800 views
You are going to toss a rock straight up into the air by placing it on the palm of your hand(you are not gripping it) then
1. 0 answers
2. asked by George
3. 797 views
The difference of two complementary angles is 18. What is the measure if the two anglesHint complementary angles sum to 90
1. 2 answers
2. asked by Taylor
3. 795 views
Which one is the best explanation of energy?A. making transformations B. the ability to do work C. conservation of power D.
1. 3 answers
2. asked by dark1
3. 789 views
Temperature decreases approximately 1degree Celsius for each 150 metres increase in altitude.1. The temp at sea level is 25
1. 0 answers
2. asked by Roma
3. 775 views
Jie is investing $15000 and is choosing between two options.With Option A, the investment is compounded semi-annually and will
1. 2 answers
2. asked by Leah
3. 765 views
In these sentences, note the use of interjections (underlineded). In a word or two, describe the feeling or emotion expressed by
1. 4 answers
2. asked by Anonymous
3. 759 views
Alex makes a 14 inch diameter pizza, which includes a 1 inch crust. Donald wants to make a 10 inch diameter pizza with the same
1. 1 answer
2. asked by Kristen
3. 757 views
Consider the function f(x) = -2 x^3 + 36 x^2 - 162 x + 2. There are two critical points, A and B where A < B:A = and B = f''(A)=
1. 1 answer
2. asked by Andrew
3. 754 views
1. A student uses 6M HCl solution contaminated with Al(NO3)3 to wash the nichrome wire in between recordings of emission spectra
1. 1 answer
2. asked by Sandy
3. 751 views
On one test, Chi answered 76 out of 100 questions correctly . On another test , he answered 7 out of 10 questions corrctly.
1. 1 answer
2. asked by Nawaf
3. 732 views
The work function of a material is 3.5 eV. If the material is the illuminated with monochromatic light (l = 300 nm), what are:a)
1. 1 answer
2. asked by Matt
3. 732 views
write a sentence for the following reaction PCl5(s)=PCl3(s)+Cl2(g)
1. 1 answer
2. asked by Janile
3. 722 views
WHICH BLOCK WILL HAVE THE GREATEST CHANGE IN MOTION
1. 1 answer
2. asked by MARRY
3. 722 views
TOSS EACH OBJECT A DISTANCE OF 2 METERS.A)METAL WASHER 1.5 B)PLASTIC DISK 34 C)ROCKS 16 D)WOODEN BLOCK 22. WHICH ONE IS CORRECT
1. 8 answers
2. asked by MARRY
3. 712 views
Two teams of nine members each engage in a tug of war. The first team's members have average masses of 69 kg and exert average
1. 0 answers
2. asked by Anonymous
3. 711 views
Please can anyone answer this which I have posted previously? Anyone with knowledge of this area of maths? Thanks in
1. 1 answer
2. asked by Donna
3. 711 views
Which equation is equivalent to 3 ln 2 – ln 4 + 5 ln x = ln 3 + 2 ln 5?ln 2x5 = ln 75 ln (5x + 2) = ln 75 ln 2x5 = ln 13 ln
1. 1 answer
2. asked by Kiki
3. 709 views
A container contains 15 liters af water at 96 celsius. A 1 kg of ice cube at -20 celsius is dropped into the water. No heat is
1. 1 answer
2. asked by Thermodynamics
3. 707 views
so for all the chemical formulas if there is no subscript (for the valency of the element) does it mean it is a one or do i have
1. 1 answer
2. asked by Sam
3. 705 views
The area of a rectangle is 44yds squared, and the length of the rectangle is 3yds less than twice the width. what is the length
1. 2 answers
2. asked by Gerald
3. 698 views

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