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The partical of mass 'm' is moving with the laws

  1. Nov 16, 2009 #1
    The partical of mass 'm' is moving with the laws ....

    1. The problem statement, all variables and given/known data
    The partical of mass 'm' is moving with the laws ....



    2. Relevant equations
    a. x=3t2+4 b. x=106t-t2 c.x=1000t-5t2 d.x=t2-20t e.x=50t-2t2
    in what case the value of the force acting on the particle is the lowest ?
    3. The attempt at a solution
    i need your help. thanks in advance
     
  2. jcsd
  3. Nov 16, 2009 #2
    Re: The partical of mass 'm' is moving with the laws ....

    what is relation between acceleration and position?
     
  4. Nov 16, 2009 #3
    Re: The partical of mass 'm' is moving with the laws ....

    sorry i dont know.
     
  5. Nov 16, 2009 #4
    Re: The partical of mass 'm' is moving with the laws ....

    no one could find the true answer?
     
  6. Nov 16, 2009 #5
    Re: The partical of mass 'm' is moving with the laws ....

    if you dont know, read your tb again or check this: http://en.wikipedia.org/wiki/Acceleration
     
  7. Nov 16, 2009 #6
    Re: The partical of mass 'm' is moving with the laws ....

    Think about the relationship between position and velocity, and then the relationship between velocity and acceleration.
     
  8. Nov 16, 2009 #7
    Re: The partical of mass 'm' is moving with the laws ....

    i have no any opinion. i am not physicst, and i dont study it. but this semester i have to read it as a life knowledge subject. so, please help me to complete these tests. i need ur help urgently.
     
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