Recent content by moaath

  1. M

    How did the author determine the range of x for this problem?

    may you show me the procedure of equaling the two equations step by step thanks
  2. M

    How did the author determine the range of x for this problem?

    y=x^4, y=sin(pix/2); about x=-1 the solution is attached . how he determinate it to be from 0 to 1 ...? as I know , we usually put for example the expression of y1 = y2 and solve it for zero but in this case is not easy to do it,so how did he do it...?? note: my english is...
  3. M

    How Does Using Midpoints in Integrals Estimate Area?

    [b]1. let A be the area of the region that lies under the graph of f(x) = e^-x , between x=0 and x=2. 1-Estimate the area using the sample point to be the midpoint and using fuor sub-intervals. x*1=(0+0.5)\2=1\4. x*2=(1+0.5)\2=3\4. x*3=(1+3\2)\2=5\4. x*4=(2+3\2)\2=7\4 A=segma i=1 to n...
  4. M

    Finding Equilibrium: Solving for Net Gravitational Force on a Mass

    ??how to get there I tried to solve this question its from old exam and the answer is posted down but I didn't know how to get there please explain for me how we solve these kind of question?? two particles with masses M and 4*M are separated by distance D what is the distance from the mass...
  5. M

    What Are the Solutions to These 2D Motion Problems?

    the problem is...that ... ,I want to fill my task quickly because I have a major exam , so if u just help me...! i will be grateful and I will try to understand it after the exam...
  6. M

    What Are the Solutions to These 2D Motion Problems?

    please help me to solve these problems... Homework Chapter 4 - 2D motion MUAD GUTUB Started: November 7, 2008 11:47 PM Questions: 9 Instructions 1. (Points: 1) A particle starts from the origin at t=0 with a velocity of 5.00 j m/s and moves in the xy plane with constant...
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