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Questions Asked on November 13, 2009

A 75 kg box slides down a 25.0 degree ramp with an acceleration of 3.60 m/s^2.Find coefficient between the box and the ramp.
1. 6 answers
2. asked by Terrence Eko
3. 15,461 views
The drawing shows a large cube (mass = 25 kg) being accelerated across a horizontal frictionless surface by a horizontal force .
1. 4 answers
2. asked by Litany
3. 14,906 views
10. A cannon elevated at an angle of 35º to thehorizontal fires a cannonball, which travels the path shown in the diagram
1. 8 answers
2. asked by Physics Student need help
3. 10,624 views
21.7 kg child descends a slide 3.5 m high and reaches the bottom with a speed of 2.2 m/s How many joules of thermal energy are
1. 2 answers
2. asked by Sasha
3. 6,345 views
was hoping someone can help me check if these answers make sense for a silver copper alloy lab.3. Why don’t you have to weigh
1. 17 answers
2. asked by Dina
3. 6,216 views
The Achilles tendon is attached to the rear of the foot as shown in the figure below. When a person elevates himself just barely
1. 2 answers
2. asked by Henry
3. 5,977 views
A total of 475 tickets were sold for the school play. There were 75 fewer student tickets sold than adult tickets. How many
1. 3 answers
2. asked by JB
3. 3,510 views
A bag contains 13 balls numbered 1 through 13. What are the odds in favor of selecting a ball that has an even number? Explain
1. 2 answers
2. asked by matt
3. 3,069 views
A cube has a surface area of 126 square feet. What is the area of one faces?-How do you solve this type of problems?
1. 3 answers
2. asked by Anonymous
3. 2,794 views
Calculate the average disappearance of A between t=0 min and t=10 min in units of M/s.0 min there are .065 moles of A 10 min
1. 1 answer
2. asked by Anonymous
3. 2,642 views
Which of the following must occur for a plant or animal to grow and develop normally?a) Sufficient oxygen must be available to
1. 1 answer
2. asked by Terrye
3. 2,631 views
The deepest point in the ocean is 11km below sea level, deeper than Mt. Everest is tall.What is the pressure in atmospheres at
1. 2 answers
2. asked by NS
3. 2,609 views
Which of the following would be the limiting reagent in the reaction shown below? There are 50 molecules of O2 and 50 molecules
1. 1 answer
2. asked by Ethan
3. 2,538 views
An ice skater is gliding horizontally across the ice with an initial velocity of +6.3 m/s. The coefficient of kinetic friction
1. 1 answer
2. asked by Litany
3. 2,039 views
How many photons will be required to raise the temperature of 2.0 g of water by 2.5 K?
1. 2 answers
2. asked by Anonymous
3. 1,992 views
use properties of the trigonometric function to find the exact value of each expression. Do no use a calculator.sec ( - pi/18) *
1. 3 answers
2. asked by Pre Calc
3. 1,984 views
drawing shows a 25.0-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two
1. 5 answers
2. asked by Litany
3. 1,895 views
How many calories of heat are required to raise the temperature of 550g of water from 12.0 degrees celcius to 18.0 degrees
1. 3 answers
2. asked by Marco
3. 1,779 views
A plane flying horizontally above Earth’s surface at150. meters per second drops a crate. The crate strikes the ground 30.0
1. 3 answers
2. asked by Physics Student need help
3. 1,642 views
If a light switch is moved from the "off" postition to the "on" position, then the light will go on. This statement is what?a)
1. 1 answer
2. asked by Terrye
3. 1,619 views
Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min.What is the speed of the water in the pipe?
1. 1 answer
2. asked by NS
3. 1,543 views
A mutant protist is found in which some mitochondria lack an inner mitochondrial membrane. Whcih of the following pathways would
1. 1 answer
2. asked by Terrye
3. 1,484 views
What is probably the main factor responsible for the phenomenon of density-dependent inhibition?a) a local deficiency of
1. 0 answers
2. asked by Terrye
3. 1,417 views
how do u solve "why did zorna pour ketchup on her brothers hand?"
1. 4 answers
2. asked by Stephanie
3. 1,377 views
Complete the square to Solve Quadratic Equation:Solve the equation. Express the answer in simplest radical form. -x^2-7x=-11
1. 1 answer
2. asked by Sarah
3. 1,376 views
A small ball of mass m is aligned above a larger ball of mass M = 0.79 kg (with a slight separation), and the two are dropped
1. 0 answers
2. asked by Steve
3. 1,336 views
2. Illustrate effects on the accounts and financial statements of each of the following transactions. For a company using a job
1. 1 answer
2. asked by shawna
3. 1,279 views
a 145g baseball is dropped from a tree 13.0m above the ground. with what is the velocity of the baseball at the ground after it
1. 1 answer
2. asked by Sasha
3. 1,254 views
The presence of oxygen atoms on the surface results in auger electrons with a kinetic energy of approximately 505 eV.What is the
1. 2 answers
2. asked by Kyle
3. 1,239 views
At work one day Erica received 36 packages. Speedy delivered 3 times as many as Express, While Express delivered 4 more than
1. 2 answers
2. asked by Sarah
3. 1,228 views
A deli offers its cheese sandwich with various combinations of mayonnaise, lettuce, tomatoes, pickles, and sprouts. 8 types of
1. 2 answers
2. asked by jj
3. 1,190 views
A 325-kg boat is sailing 15.0° north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0° north of east
1. 1 answer
2. asked by Litany
3. 1,180 views
would this be true53 > 18 - 7x greater or equal to 25 subtract 18 35 > -7x greater or equal to 7 divide by 7 5 > -x greater or
1. 2 answers
2. asked by di
3. 1,155 views
The "work function", or the minimum energy needed to eject an electron from the metal, can be expressed in several different
1. 1 answer
2. asked by TITA
3. 1,149 views
Using condensed electron configurations and Lewis electron-dot symbols to depict the monatomic ions formed from each of the
1. 1 answer
2. asked by mona
3. 1,137 views
Two corresponding sides of similar polygons are in the ratio of 2 : 7. If the area of the smaller figure is 8 square meters,
1. 2 answers
2. asked by Matt
3. 1,132 views
calculate the lim as x-> pi (cos(x)+1)/(x-pi) using the special limitlim x->0 sinx/x
1. 0 answers
2. asked by jeff
3. 1,093 views
Yo vivo en un vecindario pequeño con cinco personas en mi familia. Mis padres les gusta el vecindario pero yo siempre sueno
1. 3 answers
2. asked by Jennifer
3. 1,089 views
How does the writing process you read about differ from the process you have used in the past? Wheich steop in the writing
1. 1 answer
2. asked by Melissa
3. 1,079 views
Complete the square to Solve Quadratic Equation:Solve the equation. Express the answer in simplest radical form. -x^2-7x=-11
1. 5 answers
2. asked by Sarah
3. 1,068 views
The text, Psychology and the Challenges of Life discusses several sources of stress. What sources of stress did the text
1. 1 answer
2. asked by Anonymous
3. 1,045 views
An Orchard made 14,757 lb of taffy apples with approximately 1 lb of taffy mixture for each 67.1 pounds of apples. To the
1. 3 answers
2. asked by Sarah
3. 1,044 views
A cargo barge is loaded in a saltwater harbor for a trip up a freshwater river.If the rectangular barge is 3.00m by 20.0m and
1. 1 answer
2. asked by SB
3. 1,040 views
A 0.40 - kg object connected to light spring with a force constant of 19.6 N/m oscillates on a frictionless horizontal surface.
1. 1 answer
2. asked by Ellen
3. 1,036 views
if the ratio of the diameters of two spheres is A to B then what is the ratio of their volumes
1. 1 answer
2. asked by justin
3. 1,018 views
A 325-kg boat is sailing 15.0° north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0° north of east
1. 1 answer
2. asked by Litany
3. 1,016 views
A ball is hit over the fence at a 45 degree angle. The fence is 98 meters away. At what velocity does the ball leave the bat?
1. 1 answer
2. asked by Bob
3. 1,006 views
An 81-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is 0.49.
1. 0 answers
2. asked by Litany
3. 988 views
interpret an r value of -0.82. a)strong negative correlation B)weak negative correlation C)strong positive correlation D)no
1. 1 answer
2. asked by princess
3. 977 views
Make up a set of 7 numbers having the following landmarks: mode: 21, median: 24, maximum: 35, range: 20
1. 2 answers
2. asked by Tricia
3. 972 views
How do you determine if two lines are perpendicular?
1. 1 answer
2. asked by dee
3. 968 views
the estimate the number of cans of soda thet drink each week?number of student just pretend this is a bar graph.
1. 1 answer
2. asked by pat
3. 956 views
how do you do sinAcosA=cosA-cos^3A/sinA
1. 2 answers
2. asked by PLEASE HELP!!!
3. 951 views
Read the following passage from act 3, scene 2.So we grew together, Like to a double cherry, seeming parted, But yet an union in
1. 1 answer
2. asked by rose
3. 949 views
How do you figure the percentage of ratios for example 30:30 what would the percentage be? How do you divide them and what
1. 1 answer
2. asked by Brittani
3. 948 views
Consider line segments which are tangent to a point on the right half (x>0) of the curve y = x^2 + 1 and connect the tangent
1. 4 answers
2. asked by Hal
3. 936 views
write the words in a expression::::: A subtracted from the product of 4 and B
1. 1 answer
2. asked by jessie
3. 866 views
Hello,My question is that what kind of environments are there i mean are there also other types of environment then
1. 1 answer
2. asked by Adi Ca Blish
3. 852 views
In the Handmaid's Tale by Margret Atwood, does the Handmaid system actually repopulate the state?
1. 0 answers
2. asked by lena
3. 842 views
were doing sum and difference identitiestan (225 degrees+60 degrees) i got to the part where its 1+radical 3/1-radical 3 ..now
1. 1 answer
2. asked by gab
3. 831 views
Use this table to complete the tasks that follow it.Height (in inches) Frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11
1. 1 answer
2. asked by sandra
3. 827 views
Perform Operations with Complex Number:Solve the equation. x^2+121=0
1. 4 answers
2. asked by Sarah
3. 825 views
A uniform ladder which is 10metres long and weighs 300newtons leans with its upper end against smooth vertical wall and its
1. 0 answers
2. asked by SOLVE
3. 810 views
I don't see how to do this without a calculatorsin ( - pi/12) csc ( (25 pi)/12)
1. 1 answer
2. asked by Pre Calc
3. 803 views
The deepest point in the ocean is 11km below sea level, deeper than Mt. Everest is tall.What is the pressure in atmospheres at
1. 1 answer
2. asked by SB
3. 796 views
A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 15° above the horizontal. What are the magnitudes of (a) the
1. 0 answers
2. asked by Litany
3. 741 views
On a multiple choice test with 10 questions and 5 choices, A,B,C,D,E, for each questions, what are the odds of guessing on all
1. 3 answers
2. asked by Zach
3. 738 views
Iron's paper Company, whose fiscal year ends December 31, completed the following transactions involving notes payable:Nov. 25
1. 0 answers
2. asked by devi
3. 732 views
1. The jury is made up of 12 civil people.2. A jury is composed of 12 common people. 3. There were two juries in the court. (Are
1. 2 answers
2. asked by rfvv
3. 723 views
does anyone know of any pictures of musée du québec in quebecthanks
1. 3 answers
2. asked by Brit
3. 722 views
Find 2 Numbers to fit all these rules:1. To the nearest ten and hundred, both round to be the same number. 2. The estimated sum
1. 0 answers
2. asked by Amber
3. 709 views
i did a lab experiement and I do not know what was the control group.I tested the rates of cellular respiration for: Germinated,
1. 1 answer
2. asked by sarah
3. 702 views
What was the theme of the short story, American History?-MC
1. 8 answers
2. asked by mysterychicken
3. 690 views
Which of the following is NOT true about compounds?A) compounds join in specific ratios according to their masses B) the mass
1. 1 answer
2. asked by Katherine
3. 687 views
Hello my teacher gave us question and he said to find our from any where well Question is.....Q1. Who was and still is the
1. 3 answers
2. asked by x-y-zzz
3. 673 views
A man spend 75% of his income. when his income is increse by 20%. He increse his expenditure 10% . By what percent are his
1. 1 answer
2. asked by Raj c
3. 666 views
Lauren has a normal deck of 52 playing cards. If she draws a random card from the deck, what is the probability that it will be
1. 1 answer
2. asked by laura
3. 665 views
Did I do this right?Find the vertex, the x intercepts and y intercepts. f(x)=(x-2)^2-4 Vertex: 2,4 X intercepts: 0,0 4,0 Y
1. 1 answer
2. asked by Murajabash
3. 665 views
Find an overestimate and underestimate that the bug crawls during an hour v= 1 / [2+t]?For time, t, in hours, 0 <= t <= 1, a bug
1. 0 answers
2. asked by Z32
3. 664 views
A 10cm times 10cm times 10cm block of steel (rho _steel= 7900kg/m^{3}) is suspended from a spring scale. The scale is in
1. 0 answers
2. asked by NS
3. 663 views
The manager of caribbean glass company estimates that total revenue from the sale of her firm's product is given by the equation
1. 2 answers
2. asked by Special
3. 662 views
Something that is tangential to getting good results:a. drinking tea b. proper planning c. paying attention d. working hard a.
1. 8 answers
2. asked by Kelsey
3. 657 views
Need help on this multiple choice question, thanks!Microscopic airborne particulates that reflect incoming solar radiation and
1. 2 answers
2. asked by Bobby
3. 652 views
Simplify: Sin2x/1-Cos2x
1. 2 answers
2. asked by SIMPLIFY:
3. 644 views
What is the de Broglie wavelength of an electron that strikes the back of the face of a TV screen at 1/9 the speed of light?
1. 1 answer
2. asked by TITA
3. 631 views
Hi!could anyone help me please, I don't get it. Thank you so much for your help.Question:(a) What is the tangential acceleration
1. 1 answer
2. asked by Chan
3. 627 views
when heated in the presence of air, 80 grms. of copper completely react to form 100 grms. of copper oxidewhat is the mass of
1. 0 answers
2. asked by abby
3. 620 views
Identifying the subordinate clauses.then write Noun,adjective, or adverb to tell what kind of clause it is.1-Elizabeth Kenny was
1. 1 answer
2. asked by Christ
3. 619 views
Consider the function f(x)=12x^5+30x^4–300x^3+2. f(x) has inflection points at (reading from left to right) x=D,E, and F.
1. 2 answers
2. asked by leah
3. 608 views
1. A pressurized spray painter was purchased on April 1 of the fiscal year for $4,800. It has a useful life of 4 years and a
1. 0 answers
2. asked by shawna
3. 606 views
It is greater than 43 and less than 52.If you add the digits, the sum is 8. Write the number word
1. 6 answers
2. asked by Christopher
3. 605 views
Explain the scope of potential health communication barriers with patients of diverse nationalities, lifestyles, health, and
1. 1 answer
2. asked by Anonymous
3. 602 views
Ok, here is my complete "Pet Peeve" Speech. Thanks a lot to bobpursley, and writeacher, and gurublue.There are some people in
1. 1 answer
2. asked by y912f
3. 599 views
What is the difference between wardrobe and closet? Is a closet always inside a wall?
1. 1 answer
2. asked by rfvv
3. 596 views
if a person has stooped breathing and is receiving pulmonary resuscitation, would it be better to administer pure oxygen or a
1. 1 answer
2. asked by Sam
3. 596 views
True or false?Vegetable oil is superseding gasoline for fueling cars in Europe. True?
1. 1 answer
2. asked by A.
3. 595 views
I have to make a comic strip of trade and West Africa, and I am kinda at a loss, any suggestions??
1. 4 answers
2. asked by Ashley
3. 594 views
here are questions and please show how you got the answers.6. Andrew Thompson owns 65,000 shares of Beta Enterprises. His shares
1. 2 answers
2. asked by pattikake
3. 593 views
i need help with this equation anything help will be greatly appreciatedfind the standard equation of a parabola with a focus
1. 1 answer
2. asked by Natali
3. 592 views
Is a carboxylic acid group electron donating or election withdrawing and then decide if such a group substituted onto an alkene
1. 0 answers
2. asked by Ryan
3. 591 views

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