Questions Asked on
December 26, 2010

  1. physics

    A sinusoidal transverse wave of amplitude ym = 6.4 cm and wavelength = 5.2 cm travels on a stretched cord. Find the ratio of the maximum particle speed (the speed with which a single particle in the cord moves transverse to the wave) to the wave speed.

    asked by john
  2. chem

    Reaction H2 +I2 yields 2HI All three gases are initially at 0.1atm/ upon reaching equilibrium it is found that H2 pressure droped by 55% what is the equilibrium constant for this reaction.

    asked by Anonymous
  3. science

    if a simple pendulum with length 1.50 m makes 72 oscillations in 3 minutes. what is the acceleration of the gravity at its location ?

    asked by tris
  4. Physics

    The planet pluto travels once around the sun every 248 years at a mena distance from the sun of 5890x10^6 km. Find its orbital speed around the sun in (m/s).

    asked by Anonymous
  5. Physics

    a superhero flies 272m from the top of a tall building at an angle of 32 below the horizontal. what is the vertical component of the superhero's displacment?

    asked by Zachary
  6. chemistry

    reaction between Na2a2o3+licro4

    asked by normah
  7. 11th grade

    a particle is completing 5 revolution per second in a circle of radius 6 cm.calculate its linear velocity and the centripetal acceleration acting on it.

    asked by neena
  8. us history

    I need help trying to figure out how to even begin an essay. Write in the perspective of a Pennsylvania farmer in the 1700s. - The philosophical ideals embodied in the Declaration of Independence. - The similarities and differences of the philosophies in

    asked by Elizabeth
  9. To: k -- child day care

    I've removed your 20 multiple choice questions because you haven't included your answers. It looks like a test and that you want some to answer these questions for you -- or you want to install it in the Jiskha archives. By the way, I think the answers to

    asked by Ms. Sue
  10. Math

    What is the common difference of an arithmetic sequence if the sum of the second and fourth terms is 0, and the sum of the sixth and eighth terms is 12?

    asked by Anonymous
  11. Trigonometry

    The expression 2x^3(4-3x)-5x(x-2) is equal to? *Please show me the steps to solve this problem! Thanks!

    asked by Katy
  12. Math !!!!ASAP!!!!!

    What are the characteristics of a multi step equation ?????

    asked by pkd
  13. precalculus

    Use the Intermediate Value Theorem and a graphing utility to find intervals of length 1 in which the polynomial is guaranteed to have a zero. Use the root feature of a graphing utility to approximate the zeros of the function. h(x)=x^4-10x^2+2

    asked by janet
  14. chemistry

    What is the molar mass of Mg(NO3)2? Explain how you calculated this value.

    asked by Anonymous
  15. Jr. High Pressure Challenge Question

    A small flask has a mass of 22.71 g. When it is filled with water the total mass is 153.38 g. When it is filled with milk the total mass is 157.67 g. What is the density of milk?

    asked by Anonymous
  16. American Governement

    In comparison with the citizens in European democracies, Americans are less likely to:

    asked by Niyom
  17. PDF

    Please tell me a software to edit ,write PDF files with all the necessary functions in a word document that i can free download

    asked by harry
  18. Linear Algebra

    (1) Define T:R->R be a linear transformation such that T(x,y,z)= (2x,2y,2z) then the given value of T is A. 3 B. 2 C. 4 D. 6 (A) (B) (C) (D) (2) Let V and W be vector spaces over a field F, and let T:V-> W be a linear transformation then only one of the

    asked by Sower
  19. Trigonometry

    The expression 2x^3(4-3x)-5x(x-2) is equal to? *Please show me the steps to solve this problem! Thanks!

    asked by Katy
  20. Trigonometry

    The expression 2x^3(4-3x)-5x(x-2) is equal to? *Please show me the steps to solve this problem! Thanks!

    asked by Katy
  21. Adult education- child care development

    An appropriate activity for a pre-schooler is to try on a fire man's equipments after the fire saftey demonstration? I think it is: true?

    asked by Liliann
  22. math

    Plywood is sold in rectangle sheets 4 feet wide and 8 feet long. How many 4x8 sheets of plywood are needed to completely cover a rectangle shaped floor measuring 16 feet by 12 feet.

    asked by Anonymous
  23. math

    Find the values of the following. 1)(903)2

    asked by Sam
  24. Linear Algebra 2

    Let V and W be vector spaces over a field and let T:V->W be a linear transformation then V/kerT =R(T) (A) True (B) False (C) Indifference (D) None of the above (A) (B) (C) (D)

    asked by Sower II
  25. To all Canadiens

    Happy Boxing Day!!!

    asked by E.G.
  26. Adult education- child care development

    When should you be concerned if a child is not toliet trained? Should you be concerned if the child is not trained by eighteen months of age? I think it is false.

    asked by Liliann
  27. physics

    If it takes you 9.5 min to walk with an avg velocity of 1.4m/s to the north from a bus stop to a museum entrance. how far did you walk??

    asked by Anonymous
  28. math

    if the domain is the set of integers, the solution set of x^2 -3x -4

    asked by Anonymous
  29. college

    while following an object with her eyes is when eye coordinatio develops

    asked by Anonymous
  30. writing

    i need help on " what does seek to serve mean to you?"

    asked by kathy
  31. Math !!!!ASAP!!!!!

    What makes a multi step equation a multi step equation????

    asked by pkd
  32. 4th grade

    which point is located at 7/12 on the number line below?

    asked by Anonymous
  33. algebra

    what is the square root of -2?\ how would you solve this equation: square root of -2(square root of -18) + square root of -25?

    asked by Anonymous