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  1. R

    Evalute the value of extension

    plese i cant understand help me
  2. R

    Evalute the value of extension

    x = w/k = 6/k from where we got the value of k ? here we try to find x
  3. R

    Find the force constant fron the graph

    slope = k I find the slope but is k is correct ?
  4. R

    Evalute the value of extension

    x = w/k but from where we got the value of k ?
  5. R

    Find the force constant fron the graph

    Hi all Find the force constant fron the graph k = 1/0.27 = 3.70 n/m ( is this ok ) plese I want your help
  6. R

    Evalute the value of extension

    Is this ok help me k = mg/x 0..04/1 = 6 / X x = 6.6X10^-6 cm plese help me
  7. R

    Evalute the value of extension

    Dr. Mark44 where are you ?
  8. R

    Evalute the value of extension

    Look Dear Experience as follows : First, we put Spring on the board and a paper under spring to measure the distances between each point from the beginning to the end point of extension for each weight Then we increased laod to ( 0.2 n ) the measurement was between the starting...
  9. R

    A typical compound archery bow requiers

    hhhhhhhhhhhh loooooooool sorry the answer is 187.3
  10. R

    Evalute the value of extension

    this experiment of Speing balance when we increasind ( Load ) the space we are got in decreasing is same . we start by 0.1 N then 0.2 then >>>> to 0.5
  11. R

    A typical compound archery bow requiers

    Hi F =W/x= 133N/.71 m= 1.87N/m. ??
  12. R

    Evalute the value of extension

    beacuse when we mesure we got same value to Increasing and Decreasing
  13. R

    A truck covers 80 m in 17 s while smoothly slowing down to a final speed

    now I try to sovle this queation by another way anf please help me If it correct or not Dx = 1/2(v + v0)t 80=1/2(5.6+v0) 17 80 = 1/2(8.6 + 17v0) 80 = 4.25 + 17v0 v0 = 75.75/17 =4.45 plese check my answer .
  14. R

    Find an equation for the horizontal tangent to the curve y=x-3root x

    I get for the derivative of this function? 3 X 1/2rootx = 3/2rootx
  15. R

    Evalute the value of extension

    plese I want your help
  16. R

    A typical compound archery bow requiers

    A typical compound archery bow requiers a force of 133 N to hold an arrow at "full drwa " ( pulled back 71 cm ). ssunimg that the bow obeys hooke's law . what is its spring constant ? did conver 71 to m did use k = W/x to find spring constant ? plese help me ?
  17. R

    Evalute the value of extension

    evaluate the value of extension ( x) which elongate under the action of load (w) of 6 N ? [Use your results obtained from rest 1 ] please help me How i can solve this question because I don't understand it clearly
  18. R

    A truck covers 80 m in 17 s while smoothly slowing down to a final speed

    A truck covers 80 m in 17 s while smoothly slowing down to a final speed of 5.6 m/s a ) find its original speed b) Final its acceleration I want check my answer : a ) Dx = 80 m t = 17 s v = 5.6 m/s v0= ?? by appling the rule Dx = 1/2(v+v0)t 80 = 1/2(5.6 + v0) 17 v0 =...
  19. R

    Questions in derivatives I want to check my answer

    Questions in derivatives I want to check my answer http://store1.up-00.com/Oct10/KpR43940.jpg [Broken]
  20. R

    I want check my answer in derivatives (part 2)

    I want check my answer in derivatives (part 2) http://store1.up-00.com/Oct10/7uV34128.jpg [Broken]
  21. R

    I want check my answer in derivatives (part 1)

    I want check my answer in derivatives (part 1) http://store1.up-00.com/Oct10/p0O34128.jpg [Broken]
  22. R

    How find the 3 value of x by using Calculator

    Hi all How find the 3 value of x by using Calculator u = 4x^3 - 4x = 0 I know this good way to solve iy 4x(x^2-1) = 0 X = 1 or X = -1 or X = 1 but I want a way bu useing a Calculator to find the 3 value of x plese help me .
  23. R

    Find an equation for the horizontal tangent to the curve y=x-3root x

    Hi a ) find an equation for the horizontal tangent to the curve y=x-3root x b) What is range of values of values of curve's slope ? c ) What is range of values of curve ? number a already I solved but my queation now in b and c ----- I try to solve b) to get curve's slope must...
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