Kelsi

Most popular questions and responses by Kelsi
  1. Physics

    A balloon rubbed against denim gains a charge of -8.0 uC. What is the electric force between the balloon and the denim when the two are separted by a distance of 5.0 cm? (Assume that the charges are located at a point!)

    asked on May 13, 2012
  2. physics

    You need to siphon water from a clogged sink. The sink has an area of 0.36 and is filled to a height of 4.0 . Your siphon tube rises 45 above the bottom of the sink and then descends 85 to a pail as shown in the figure. The siphon tube has a diameter of

    asked on May 21, 2009
  3. Physics Superpostion Principle

    four charged particles are placed so that each particle is at the corner of a square. the sides of the square are 15 cm. the charge at the upper left corner is +3.0 microcoulombs, the charge at the upper right corner is -6.0 microcoulombs, the charge at

    asked on May 16, 2012
  4. Chemistry

    Methane gas (carbon tetrahydride) reacts with oxygen by combustion: CH4 + 2O2 -> CO2 + 2H2O a.)How many moles of methane are needed to produce 3.5*10-4 moles of carbon dioxide? b.)How many moles of oxygen are needed to react form the 3.5*10-4 moles of

    asked on November 3, 2013
  5. Physics

    A balloon rubbed against denim gains a charge of -8.0 uC. What is the electric force between the balloon and the denim when the two are separted by a distance of 5.0 cm? (Assume that the charges are located at a point!)

    asked on May 13, 2012
  6. Chemistry

    Aluminum bromide and sodium hydroxide react to form aluminum hydroxide and sodium bromide. a.)How many moles of sodium bromide can be formed from 1.55 moles of aluminum bromide? b.)How many moles of aluminum hydroxide may be formed from 4.65 moles of

    asked on November 3, 2013
  7. Chemistry

    Calculate the mass of 1.00 mol of each of these substances: a.) silicon dioxide (SiO2) b.) diatomic nitrogen (N2) c.) iron (|||) hydroxide (Fe(OH)3) d.) copper (Cu)

    asked on March 14, 2014
  8. Animal Skeletal and Muscular Systems

    1.) The development of an animal follows which of the following growth sequences? a. cells, organs, tissues, organ systems b. cells, tissues, organs, organ systems c. cells, organ systems, tissues, organs, d. tissues, cells, organs, organ systems 2.)

    asked on September 21, 2011
  9. physics torque and shelf

    When a wood shelf of mass 6.1 kg is fastened inside a slot in a vertical support, the support exerts a torque on the shelf. The board is 32cm wide by 3cm tall. the slot is 2 cm wide (3cm tall)on the lefthand side. So there are three vertical forces. A)

    asked on May 22, 2009
  10. physics

    A mass of 0.52 kg attached to a vertical spring stretches the spring 39 cm from its original equilibrium position. The acceleration of gravity is 9.81 m/s2 . What is the spring constant?

    asked on February 24, 2011
  11. physics

    A load of 46 N attached to a spring that is hanging vertically stretches the spring 0.23 m. What is the spring constant? Answer in units of N/m.

    asked on February 24, 2011
  12. physics

    A glider on an air track is connected by springs to either end of the track. Both springs have the same spring constant,k , and the glider has mass M. A)Determine the frequency of the oscillation, assuming no damping, if k= 125N/m and M= 250g. (I got the

    asked on May 25, 2009
  13. physics

    A load of 46 N attached to a spring that is hanging vertically stretches the spring 0.23 m. What is the spring constant? Answer in units of N/m.

    asked on February 24, 2011
  14. Physics

    The Superpostion Principle: Three point charges q1, q2 and q3 like along the x-axis at x=0, x=3.0cm and x=5.0cm, respectively. calculate the magnitude and direction of the electric force on each of the three point charges when q1 = +6.0 microcoulombs q2=

    asked on May 16, 2012
  15. Chemistry

    The speed limit on a certain highway is 72km/h. What is the speed in cm/s? Could you go through each step on how to get the answer? Lots of the questions are like this one, but I don't know how to do them.

    asked on February 27, 2014
  16. Physics

    A popular amusement park ride looks like a huge cylinder of radius 3 m, where people stand up along the vertical walls on top of a floor which can drop away. The cylinder begins to rotate faster and faster, and when it reaches its highest speed the floor

    asked on February 13, 2013
  17. Chemistry, please help!!!

    I have to go to work this weekend so I'm trying to get my homework finished. Could you please help me figure out this question? Calculate the mass of 1.00 mol of each of these substances: a.) silicon dioxide (SiO2) b.) diatomic nitrogen (N2) c.) iron (|||)

    asked on March 14, 2014
  18. Animal Skeletal and Muscular Systems

    Which of the following is an example of voluntary muscle activity? a. scratching b. movement of food down the intestine c. heart contractions d. movement of urine into the bladder Which of the following muscles are used when breathing? a. intercostal and

    asked on October 1, 2011
  19. Statistics

    It is not surprising that babies with low birth weights are at risk for developmental difficulties, but extraoridinarily large babies also face a higher than noraml risk of medical problems. In the United States the average full term single birth baby has

    asked on October 7, 2016
  20. Chemistry

    An atom of gold has a mass of 3.271 times 10^-22g. How many atoms of gold are in 5.00g of gold?

    asked on February 21, 2014
  21. Chemistry

    Light travels at a speed of 3.00 times 10^10 cm/s. What is the speed of light in kilometers/hour?

    asked on February 21, 2014
  22. Chemistry

    Aluminum metal and hydrogen chloride react to form aluminum chloride and hydrogen gas. a.)How many moles of aluminum metal are needed to produce 3.33 moles of aluminum chloride? b.)How many moles of hydrogen chloride are needed to react with this number of

    asked on November 3, 2013
  23. ENGLISH

    Unscramble the letters: N A N Qu I I R A B I N S O U I O TO MAKE THE BIGGEST WORD

    asked on February 10, 2012
  24. precalculus

    (A) find the domain of the function, (B) decide if the function is continuous, and (c) identify your horizontal and vertical asymptotes. F(x)= (3x^2+1)/(x^2+x+9) Find the zeros (if any) of the rational function. G(x)= (x^3-8)/x^2+4 H(x)=5 + 3/(x^2+1) G(x)=

    asked on December 13, 2014
  25. Chemistry

    Same with these: How do you do them? 1.)What is the mass at 20 degrees Celsius of 5 liters of air? 2.)What is the volume in liters of a kilogram of ice at 0 degrees Celsius? 3.)What is the mass of a bar of aluminum measuring 1.0cm by 1.0cm by 10.0cm?

    asked on February 27, 2014
  26. The Titanic

    I'm researching on the Titanic and when the crew members saw that the ship was going to sink, who did they let get on the lifeboats?

    asked on October 13, 2013
  27. physics

    For non-conservative forces, the work done does depend upon the path taken. True or False?

    asked on April 15, 2013
  28. precalculus

    (A) find the domain of the function, (B) decide if the function is continuous, and (c) identify your horizontal and vertical asymptotes. F(x)= (3x^2+1)/(x^2+x+9) Find the zeros (if any) of the rational function. G(x)= (x^3-8)/x^2+4 H(x)=5 + 3/(x^2+1) G(x)=

    asked on December 14, 2014
  29. precalculus

    hi! The question is: a.)identify any horizontal and vertical asymptote and (b) identidify any holes in the graph. Verify your answers numerically by creating a table of values. 14.) f(x)= 3/(x-2)^3 16.) f(x)= x^2+2x+1)/2x^2-x-3 18.) 3-14x-5x^2)/3+7x+2x^2

    asked on December 13, 2014
  30. Chemistry

    Same with these: How do you do them? 1.)What is the mass at 20 degrees Celsius of 5 liters of air? 2.)What is the volume in liters of a kilogram of ice at 0 degrees Celsius? 3.)What is the mass of a bar of aluminum measuring 1.0cm by 1.0cm by 10.0cm?

    asked on February 27, 2014
  31. Algebra

    Describe the transformation of y=5(x-1)^2 from the parent function (y=x^2)

    asked on December 14, 2013
  32. Algebra

    x^2*x^2/x^4= ?

    asked on December 14, 2013
  33. Quotes

    I'm doing this essay, and I would really like a few names on women who have gone to war and a couple of their quotes. Thanks

    asked on October 12, 2013
  34. Live Tutors

    Is there a website that has live tutors for free? Not like tutor. com when you have to sign up with a credit card for a trial.

    asked on September 29, 2013
  35. physics

    The work done by non-conservative forces is equal to the total change in kinetic and potential energy. True or False?

    asked on April 15, 2013
  36. physics

    A ball is thrown vertically upward with a speed of 26.8 m/s from a height of 1.9 m. How long does the ball take to hit the ground after it reaches its highest point?

    asked on September 28, 2011
  37. books

    I need some information on DeeDee from "Early Candlelight" by Maud Hart Lovelace. It was a hard read for me. Also, a summary of some of the main events would be great! Thanks.

    asked on May 22, 2011
  38. math

    8x+5y=184, x-y=3

    asked on February 17, 2010
  39. writing. language arts

    hello, well i need some help. how would you make a sentence using the word immense? Thanks, Kelsi

    asked on September 23, 2009
  40. Algebra

    sovle the compound inequality 8

    asked on January 13, 2008
  41. Chemistry

    What conversion factor would you use to convert cubic decimeters to milliliters?

    asked on February 21, 2014
  42. Algebra

    Graph y

    asked on December 14, 2013
  43. Timeline

    Is there a website that makes timelines for you and puts the right increments between these dates : 322 B. C. to 1742?

    asked on October 18, 2013
  44. physics

    If only conservative forces are acting, total mechanical energy (KE + PE) is not necessarily conserved. True or False?

    asked on April 15, 2013
  45. pre algebra

    which inequalty statment is true? a. 8 < ã78

    asked on August 30, 2011
  46. Math

    What is the Greatest Common Divisor of 19 and 18?

    asked on June 14, 2012
  1. Math

    The Farmer Who Fed His Cows Birdseed And Started Selling Cheep Milk.

    posted on February 4, 2019
  2. science

    How is the flow of air used in transportation?

    posted on May 11, 2016
  3. science

    how is the flow of air used in transportation

    posted on May 11, 2016
  4. precalculus

    Thank you so much! The first problem I understand more now, but I'm still a bit confused on the finding zeros problems. Could you explain it more? Or if it helps, create new problems? Do you get the zeros from the top polynomial or the bottom one?

    posted on December 14, 2014
  5. precalculus

    Ok that helps with the asymptotes... Could you help me with everything else?

    posted on December 13, 2014
  6. Chemistry

    Damon, that's not the math we are using. That is more advanced. Currently, we are using the equations between density, mass, and volume.

    posted on February 27, 2014
  7. Chemistry

    Ice density: 0.9167 g/cm3 at 0 °C Aluminum density: 2.7 g/mL

    posted on February 27, 2014
  8. Chemistry

    I did have a lot of those questions and I used the method you did. Thanks for the help!!!!!

    posted on February 27, 2014
  9. math

    What is the rest of the question?

    posted on February 27, 2014
  10. Chemistry

    Oh! Ok, thank you! I get it know.

    posted on February 27, 2014
  11. Chemistry

    could you go through the steps in a different way maybe? I still don't get it.

    posted on February 27, 2014
  12. Chemistry

    Thank you for your help!

    posted on November 3, 2013
  13. Timeline

    Thanks. :D

    posted on October 18, 2013
  14. Math

    Mark's time is 10 laps in 20 minutes. 20 minutes * 3 = 1 hour. 10 laps * 3 = 30 laps. Mark has the speed of 150 miles per hour. In an hour he ran 30 laps/150 miles. This means that each lap was 5 miles. Tom ran 5 laps. 5 laps * 5 miles is 25 miles in 15

    posted on October 18, 2013
  15. Pre-Algebra

    10^7 is really 10000000, or 1 followed by 7 zeros. 10 million * 2.5 is 2.5 * 10 which is 25 million. 25,000,000

    posted on October 18, 2013
  16. Timeline

    I'm making a timeline for the scientist that help contribute to the Heliocentric Theory from Aristotle to Halley.

    posted on October 18, 2013
  17. maths

    It's A x = 0. Google up "graph x = 0" and see if it crosses those points.

    posted on October 12, 2013
  18. maths

    A for the 1st one, 45 dollars per hour, x, is 45x. The fixed-service is a one-time thing so it's c = 45x + 65.The 2nd one is D. The original cost of the copier is 5,500. 5500-2500 = 3000. This is the cost reduction over the ten years. 3000/10 is 300: The

    posted on October 12, 2013
  19. math

    The slope is -1/6. The y-intercept is 5. To graph you start at (0, 5) and you go up once and over to the left 6 times. rise/run

    posted on October 11, 2013
  20. Live Tutors

    Thank You!!!!!!!!

    posted on September 29, 2013
  21. physics

    Friction leads to a loss (or dissipation) of mechanical energy. True or False?

    posted on April 15, 2013
  22. math

    100%-15%= 85% 306/85%= 360 100%-10%= 90% 360/90%= 400 Hope this helps

    posted on June 29, 2010
  23. math

    Ren this is substitution method and I am so confused

    posted on February 17, 2010
  24. writing. language arts

    thanks guys that really helped both of them. Kelsi

    posted on September 23, 2009
  25. physics loop

    i can't figure how to set this up. it starts at height h and there's a loop at at ground level with radius r.

    posted on May 23, 2009
  26. physics incline

    problem is that i already used that for velocity (same answer) and it's not unfortunately not the right answer.

    posted on May 23, 2009
  27. physics torque and shelf

    it won't let me post it. apparently it seems to be 34cm long, 2cm of which is inserted in in the slot. so the block is 34cmx3cm inserted in a 2cm long slot on the left.

    posted on May 22, 2009
  28. physics

    sorry, the units didn't show up. it's .36 m^2, 4.0cm, 45cm, 85cm, 2.4cm

    posted on May 21, 2009