PEG

Most popular questions and responses by PEG
  1. physics

    A simple lever is used to lift a heavy load. When a 60-N force pushes one end of the lever down 1.2 m, the load rises 0.2 m. Show that the weight of the load is 360 N.

    asked on May 19, 2014
  2. Science Physics

    Madison pushes with a 160-N horizontal force on a 20-kg crate of coffee resting on a warehouse floor. The force of friction on the crate is 80 N. Show that the acceleration is 4 m/s2.

    asked on May 17, 2014
  3. physics

    A rocket of mass 100,000 kg undergoes an acceleration of 2 m/s2. Show that the net force acting on it is 200,000 N.

    asked on May 17, 2014
  4. physics

    Consider a pulse of laser light aimed at the Moon that bounces back to Earth. The distance between Earth and the Moon is 3.84 * 108 m. Show that the round-trip time for the light is 2.56 s.

    asked on May 31, 2014
  5. physics

    Show that 480 W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.

    asked on May 19, 2014
  6. algebra

    2. How many pounds of chocolate worth $1.20 a pound must be mixed with 10 pounds of chocolate worth 90 cents a pound to produce a mixture worth $1.00 a pound? What Do I Know? What Do I Want to Know? Assign Variables Write a verbal Model: How Do I Find the

    asked on November 17, 2010
  7. work test

    ryan discounts an 80-day note for $15,000 at 12 percent. the bank discount is: (assume ordinary interest)

    asked on December 19, 2012
  8. algebra

    How many solutions does the following system have: 6x - 3y = 9 2x - y = 3 Explain how to determine the number of solutions without solving the system. Then apply elimination, and interpret the resulting equation. could you please explain this to me?

    asked on March 2, 2011
  9. Math

    In the tradition of their Native American ancestors, Decorah Custom Canoes specializes in creating handcrafted canoes using the finest natural materials. Whether they are from birch bark or cedar, all canoes are custom-built from native wood. Each piece is

    asked on July 19, 2014
  10. algebra

    2. How many pounds of chocolate worth $1.20 a pound must be mixed with 10 pounds of chocolate worth 90 cents a pound to produce a mixture worth $1.00 a pound? What Do I Know? What Do I Want to Know? Assign Variables Write a verbal Model: How Do I Find the

    asked on November 17, 2010
  11. physics

    Why do the passengers in high-altitude jet planes feel the sensation of weight while passengers in the International Space Station do not?

    asked on May 19, 2014
  12. algebra

    Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications. Compare how quickly each

    asked on March 24, 2011
  13. algebra

    Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications. Compare how quickly each

    asked on March 23, 2011
  14. algebra

    expression undefined 1/(2x^2 - 50) Could you please show me how to do this? thank you

    asked on March 11, 2011
  15. PLEASE HELP

    Simplify the following algebraic expressions: Evaluate; P(-1/2) if P(x)= 2X^4 + X^3 + 12

    asked on March 9, 2011
  16. algebra

    Simplify the following algebraic expressions: Evaluate; P(-1/2) if P(x)= 2X^4 + X^3 + 12

    asked on March 9, 2011
  17. algebra

    Graph the following equation: clculte the slope, x-intercept, and y-intercept, and label the the intercelts on the graph. problem: Find an equationin slope-intercept form passing through the points (2,5) and ( 7,-3). (2+5)/(7+ -3) = 7/4 so y = (7/4)x +b

    asked on February 27, 2011
  18. algebra

    Sales tax in Pennsylvania is 6%. Create an equation for the total price (cost plus tax) of a purchase in PA in terms of its cost. How much would a person pay for a car whose cost is $32,000? PAY = COST + 0.06 * COST P=C(1+1.06) P=1.06C P= (32,000)=

    asked on February 27, 2011
  19. algebra

    The final grade for a particular course is calculated by dividing total points earned by total points available. There are 120 points available in the first half of the course, and 140 points in the second half of the course. If a student earns 81% in the

    asked on February 21, 2011
  20. Help

    In the tradition of their Native American ancestors, Decorah Custom Canoes specializes in creating handcrafted canoes using the finest natural materials. Whether they are from birch bark or cedar, all canoes are custom-built from native wood. Each piece is

    asked on July 28, 2014
  21. Science Physics

    Sophia exerts a steady 40-N horizontal force on a 8-kg box resting on a lab bench. The box slides against a horizontal friction force of 24 N. Show that the box accelerates at 2 m/s2.

    asked on May 17, 2014
  22. math

    the function h(x)=1/98x^2 h(x) is the height of part of a rollercoaster track, when x is the horizontal distance in feet from the center of this section of the track the tower that supports the this part of the track are the same height and are 150 feet

    asked on December 21, 2013
  23. algbra

    Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications. Compare how quickly each

    asked on March 23, 2011
  24. algebra

    Graph the following equation: clculte the slope, x-intercept, and y-intercept, and label the the intercelts on the graph. problem: Find an equationin slope-intercept form passing through the points (2,5) and ( 7,-3).

    asked on February 27, 2011
  25. Economics

    What economic impact does a recession have on the finances on a health care facility? On the health care system? Could you direct me to a web site

    asked on September 20, 2011
  26. algebra

    Determine whether each binomial is the difference of two square. If so, factor it. If not, explain why. -m^6

    asked on March 22, 2011
  27. algebra

    Graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph. Find the area of a rectangle if three of its corners are (-0.1,-3.4), (-7.9,-3.4), and (-0.1,6.8).

    asked on February 28, 2011
  28. ALGEBRA

    Sales tax in Pennsylvania is 6%. Create an equation for the total price (cost plus tax) of a purchase in PA in terms of its cost. How much would a person pay for a car whose cost is $32,000? PAY = COST + 0.06 * COST P=C(1+1.06) P=1.06C P= (32,000)=

    asked on February 26, 2011
  29. office procedure

    you can place overseas calls directly if your company has the proper connection for

    asked on May 3, 2010
  30. algebra

    Determine whether each binomial is the difference of two square. If so, factor it. If not, explain why. -m^6

    asked on March 22, 2011
  31. Math

    2independant alternators. probabalitity one will fail in a 1 hour flight is .02 what is the probablility both will

    asked on July 24, 2010
  1. math algebra 1

    Amy is running a race. She runs 7 miles at 11.12 per mile. How many hours does she run?

    posted on September 5, 2016
  2. Science

    Convection currents

    posted on March 29, 2013
  3. algbra

    So if you saw my posting earlier why wouldn't you answer it, I just didn't plug it in because I wanted to for my health. I needed help that what I though you were here for not sarcism. I can't help the problem the professor gives me to work with, you may

    posted on March 23, 2011
  4. PLEASE HELP

    ok that I did put wasn't sure thank you

    posted on March 10, 2011