Most popular questions and responses by Genevieve
  1. Geometry

    A. Find the values of a and b that would make the quadrilateral a parallelogram. B. Make sure to show work Top 6b-3 Left 2a+6 Right 3a-10 Bottom 5a+1 Thank you

    asked on January 15, 2016
  2. Physics- Mechanics

    A 33.5 kg person stands on a 67 kg platform. He pulls on the rope that is attached to the platform via the frictionless lower-right pul- ley. He pulls the rope at an angle of 35◦ to the horizontal, as shown in the figure below. Assume: g = 9.8 m/s2 .

    asked on September 24, 2010
  3. physics

    1)The acceleration due to gravity on the moon is 1.67 m/s2. If a person can throw a stone 12.0 m straight upward o the earth, how high should the person be able to throw a stone on the moon? Assume that the throwing speeds are the same in two cases. The

    asked on July 29, 2006
  4. Physics

    1)A student at a window on the second floor of a high school building sees his math teacher coming along a walkway besides the building. He drops a water balloon from 18.0 m above the ground when it the teacher is 1.00 m from the point directly beneath the

    asked on July 29, 2006
  5. year 8 math

    a snail is at the bottom of an empty trough with walls 40cm high. If the snail manages to move 4cm up a wall each day, but slips 3cm each night, how long does it take the snail to reach the top of the trough? it then continues over the wall and makes it's

    asked on March 7, 2011
  6. Physics-Mechanics

    A pulley is massless and frictionless. 3 kg, 2 kg, and 6 kg masses are suspended. What is the tension T1 in the string between the two blocks on the left-hand side of the pulley?

    asked on September 24, 2010
  7. Physics-Mechaincs

    A 1.3 kg mass accelerates at 5.8 m/s2 in a direction 36◦ north of east. One of the two forces acting on the mass has a magnitude of 17.3 N and is directed north. Determine the magnitude of the second force. Answer in units of N.

    asked on September 19, 2010
  8. Chemistry

    A 2.461-g sample of glutamic acid, C5H9NO4 (147.13 g/mol) was burned in a bomb calorimeter with excess oxygen. The temperature of the calorimeter and the water before combustion was 23.76 °C; after combustion the calorimeter and the water had a

    asked on February 27, 2019
  9. Physics-Mechaincs

    A force of 23.52 N pushes and pulls to blocks as shown in the figure below. The vertical contact surfaces between the two blocks are frictionless. The contact between the blocks and the horizontal surface has a coefficient of friction of 0.29. The

    asked on September 24, 2010
  10. Physics-Mechanics

    horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 5.53 kg which hangs in the air, as shown on the following picture. Assume the cord to be light (massless and weightless) and unstretchable and the pulley to

    asked on September 22, 2010
  11. Physics- Mechanics

    Before throwing a 0.821 kg discus, an athlete rotates it along a circular path of radius 1.19 m. The maximum speed of the discus is 18.7 m/s. Determine the magnitude of its maximum radial acceleration. Answer in units of m/s2.

    asked on September 17, 2010
  12. Physics-Mechaincs

    A block is pushed up a frictionless incline by an applied horizontal force as shown. The acceleration of gravity is 9.8 m/s2 . mass=2.7 kg F = 33 N theta=29◦ What is the magnitude of the resulting ac- celeration of the block? Answer in units of m/s2.

    asked on September 19, 2010
  13. Physics- Mechanics

    The speed of the tip of the minute hand on a town clock is 0.00136 m/s. (a)What is the speed of the tip of the second hand of the same length? Answer in units of m/s. (b)What is the centripetal acceleration of the tip of the second hand? Answer in units of

    asked on September 17, 2010
  14. Statistics

    A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% (240) and 70%, (280) respectively. Four hundred (400) people are screened at a clinic during the first year the new

    asked on August 20, 2011
  15. Physics-Mechaincs

    The suspended 2.29 kg mass on the right is moving up, the 1.3 kg mass slides down the ramp, and the suspended 7.7 kg mass on the left is moving down. There is friction between the block and the ramp. u=0.15 The acceleration of gravity is 9.8 m/s2 . The

    asked on September 24, 2010
  16. Physics-Mechanics

    A pulley is massless and frictionless. 3 kg, 2 kg (on the left), and 6 kg (on the right) masses are suspended What is the tension T1 in the string be- tween the two blocks on the left-hand side of the pulley? Can I solve this like if it was two masses? My

    asked on September 22, 2010
  17. Physics- Mechaincs

    A home run is hit such a way that the baseball just clears a wall 27 m high located 147 m from home plate. The ball is hit at an angle of 37◦ to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1 m above the ground.

    asked on September 17, 2010
  18. Physics- Mechanics

    A particle has r(0)= (4m)j and v(0)= 92 m/s)i If uts acceleration is constant and given by a=-(2 m/s^2)(i+j), at what time t does the particle first cross the x axis?

    asked on September 17, 2010
  19. Biology

    Does any one know where I can find a skeletal muscle cell diagram that shows its organelles? I have been having a hard time finding one. Maybe I need to improve my researching skills :) Thank you in advance!!!!

    asked on February 23, 2008
  20. com/155

    write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence. Mark each verb used in bold and, in parentheses, identify the specific tense use I need help to

    asked on November 13, 2010
  21. Physics-Mechanics

    A poorly designed playground slide begins with a straight section and ends with a circular arc as shown in the figure below. A child starts at point P and slides down both sections of the slide. At some point

    asked on October 8, 2010
  22. Physics- Mechaincs

    A particle has r(0)= (4m)j and v(0)= 92 m/s)i If tts acceleration is constant and given by a=-(2 m/s^2)(i+j), at what time t does the particle first cross the x axis? t=2 s, thanks Damon Also, at what time t is the partilce moving parallel to the y axis;

    asked on September 17, 2010
  23. FP101

    Which part of the comprehensive financial plan do rent and food fall under? What about life insurance, long-term care insurance, and estate planning; which section of the comprehensive plan do these fall under?

    asked on November 3, 2010
  24. System of equation

    solve system of equations graphically and check 2x - y = 5 3x + 2y = 4

    asked on September 6, 2010
  25. college physics

    A particularly beutiful note reaching your ear from a stradivarius violin has a wavelength of 39.1cm. The room is slightly warm, so the speed of sound is 344m/s. If the string's linear density is 0.670g/m and the tension is 140N, how long is the vibrating

    asked on February 3, 2010
  26. physics

    1)In the special case of projectile, at what initial angle the range equals the maximum height? If A is the launch angle measured from horizontal and V is the launch velocity, the maximum height achieved is H = (1/2) (V^2/g) sin^2A and the range is R = 2

    asked on July 30, 2006
  27. Geography 9R - help!!!

    6) This was issued in 1635, forbidding anyone to leave or enter Japan. a. Tang Shogunate b. Edit of Milan c. Edit of Nantes d. Edit of Japan my answer --- a am I correct?

    asked on April 19, 2014
  28. Geography 9R - HELP!

    8) Heirs to Genghis Khan established ________________________, which was a time of peace, prosperity, order, and cultural exchange. a. Edit of Japan b. Pax Mongolica c. Pax Romana d. Pax Khan plzz help

    asked on April 19, 2014
  29. Physics-Mechaincs

    A rowboat crosses a river with a velocity of 1.01 m/s at an angle 30◦ North of West relative to the water. Water’s frame of reference: speed of boat: 1.01 m/s direction from current: 30◦ The river is 322mwide and carries a current of 1.63 m/s due

    asked on September 19, 2010
  30. Statistics

    A selection committee consisting of 10 members is to be formed from a group of 20 employees, 12 are female. calculate the probability that that at most 8 committee members will be female

    asked on September 6, 2018
  31. Math

    Use front-end estimation to estimate the sum to the nearest whole number. 13.40+36.63+125.042 How do I solve this question?

    asked on April 3, 2018
  32. Physics

    On a spacecraft two engines fire for a time of 589 s. One gives the craft an acceleration in the x direction of ax = 5.09 m/s2, while the other produces an acceleration in the y direction of ay = 7.50 m/s2. At the end of the firing period, the craft has

    asked on September 21, 2011
  33. calculas

    If f(x)=3x-1 and g(x)=2/3x+2 find: a) f(-3)+g(6) b)f(3)-g(2)

    asked on June 5, 2011
  34. Chemistry

    3-bromo-3-ethylpentene is treat with HBr what main product does it yield?

    asked on February 7, 2011
  35. English

    Help (!?) me unscramble these letters S L A T E F Do you want one word? FESTAL? An adjective as in relating to a festival?

    asked on June 6, 2007
  1. Language Arts

    Thx Amy!!

    posted on March 20, 2019
  2. History

    Thx so much!! Y'all the best!!

    posted on March 18, 2019
  3. Math

    Thank you Ms. Sue!

    posted on April 3, 2018
  4. prealgebra

    60/21.5 =x/18 the answer will be 50.2

    posted on November 25, 2014
  5. Geography 9R - HELP!

    my answer - a am i correct?

    posted on April 19, 2014
  6. Writing-Please Help! :(

    maybe man and wife?? maybe: u were part of my life, sometimes we balanced on the edge of a knife, but we were like man and wife.

    posted on March 7, 2011
  7. physics

    multiple M and the velocity 9.9405

    posted on February 27, 2011
  8. Science

    It is Density equals mass divided by volume

    posted on November 5, 2010
  9. Physics-Mechanics

    Hi, I am confused on the height change. By 4.9 did you mean 4.8? and if so do I set it equal to zero to solve? is the v in the centripetal force different from the v in KE?

    posted on October 8, 2010
  10. Physics-Mechaincs

    How do I do that? the only info missing is the angle is 60 degrees... force > => block1 block2 / force @60deg uk=0.29

    posted on September 24, 2010
  11. Physics- Mechaincs

    thank you so much!!!

    posted on September 17, 2010