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Re: [math_club] velocity & acceleratio

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  • Sufian Latif
    it s also possible for a particle moving with simple harmonic motion at the amplitude position. Nasa wrote:
    Message 1 of 13 , Jun 2, 2007
      it's also possible for a particle moving with simple harmonic motion at the amplitude position.

      Nasa <nasarouf@...> wrote:
      consider a projectile thrown vertically when at the highest point

      On 5/31/07, promit_euhss <promit_euhss@ yahoo.com > wrote:
      if the velocity of something is 0.is dat possible the acceleration
      wont b 0.
      promit.




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    • Murshid Islam
      what if a particle is revolving at one point? murshid.
      Message 2 of 13 , Jun 2, 2007
        what if a particle is revolving at one point?

        murshid.


        On 6/2/07, Sufian Latif <slbonny@...> wrote:

        it's also possible for a particle moving with simple harmonic motion at the amplitude position.

        Nasa <nasarouf@...> wrote:

        consider a projectile thrown vertically when at the highest point

        On 5/31/07, promit_euhss <promit_euhss@... > wrote:
        if the velocity of something is 0.is dat possible the acceleration
        wont b 0.
        promit.




        Pinpoint customers who are looking for what you sell.


      • Nasa
        well, theoretically it has neither velocity nor acceleration. it has an angular velocity.
        Message 3 of 13 , Jun 2, 2007
          well, theoretically it has neither velocity nor acceleration. it has an 'angular' velocity.

          On 6/2/07, Murshid Islam < murshid.islam@...> wrote:

          what if a particle is revolving at one point?

          murshid.




          On 6/2/07, Sufian Latif <slbonny@...> wrote:

          it's also possible for a particle moving with simple harmonic motion at the amplitude position.

          Nasa <nasarouf@...> wrote:

          consider a projectile thrown vertically when at the highest point

          On 5/31/07, promit_euhss <promit_euhss@... > wrote:
          if the velocity of something is 0.is dat possible the acceleration
          wont b 0.
          promit.




          Pinpoint customers who are looking for what you sell.



        • Murshid Islam
          i thought it had acceleration because it is constantly changing direction. but i might be wrong. i have studied all these so far back :( murshid
          Message 4 of 13 , Jun 3, 2007
            i thought it had acceleration because it is constantly changing direction. but i might be wrong. i have studied all these so far back :(

            murshid

            On 6/2/07, Nasa <nasarouf@...> wrote:

            well, theoretically it has neither velocity nor acceleration. it has an 'angular' velocity.



            On 6/2/07, Murshid Islam < murshid.islam@...> wrote:

            what if a particle is revolving at one point?

            murshid.




            On 6/2/07, Sufian Latif < slbonny@...> wrote:

            it's also possible for a particle moving with simple harmonic motion at the amplitude position.

            Nasa <nasarouf@...> wrote:

            consider a projectile thrown vertically when at the highest point

            On 5/31/07, promit_euhss < promit_euhss@... > wrote:
            if the velocity of something is 0.is dat possible the acceleration
            wont b 0.
            promit.




            Pinpoint customers who are looking for what you sell.



          • Saadi Saadi
            even if de the velosity is 0,accelaration might notbe 0. consider de fact that in a v-t graph curve may touch de xaxis though the d/dxis not=0 at that point
            Message 5 of 13 , Jun 3, 2007

              even if de the velosity is 0,accelaration might notbe 0. consider de fact that in a v-t graph curve may touch de xaxis though the d/dxis not=0 at that point
              Murshid Islam <murshid.islam@...> wrote:

              i thought it had acceleration because it is constantly changing direction. but i might be wrong. i have studied all these so far back :(

              murshid

              On 6/2/07, Nasa <nasarouf@gmail. com> wrote:
              well, theoretically it has neither velocity nor acceleration. it has an 'angular' velocity.


              On 6/2/07, Murshid Islam < murshid.islam@ gmail.com> wrote:
              what if a particle is revolving at one point?

              murshid.



              On 6/2/07, Sufian Latif < slbonny@yahoo. com> wrote:
              it's also possible for a particle moving with simple harmonic motion at the amplitude position.

              Nasa <nasarouf@gmail. com> wrote:
              consider a projectile thrown vertically when at the highest point

              On 5/31/07, promit_euhss < promit_euhss@ yahoo.com > wrote:
              if the velocity of something is 0.is dat possible the acceleration
              wont b 0.
              promit.




              Pinpoint customers who are looking for what you sell.





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            • Nasa
              wow. i missed that. you are absolutely correct :) changing direction *is* acceleration just as changing magnitude is.
              Message 6 of 13 , Jun 3, 2007
                wow. i missed that. you are absolutely correct :)
                changing direction *is* acceleration just as changing magnitude is.


                On 6/3/07, Murshid Islam < murshid.islam@...> wrote:


                i thought it had acceleration because it is constantly changing direction. but i might be wrong. i have studied all these so far back :(

                murshid



                On 6/2/07, Nasa <nasarouf@...> wrote:

                well, theoretically it has neither velocity nor acceleration. it has an 'angular' velocity.



                On 6/2/07, Murshid Islam <murshid.islam@...> wrote:

                what if a particle is revolving at one point?

                murshid.




                On 6/2/07, Sufian Latif <slbonny@...> wrote:

                it's also possible for a particle moving with simple harmonic motion at the amplitude position.

                Nasa <nasarouf@...> wrote:

                consider a projectile thrown vertically when at the highest point

                On 5/31/07, promit_euhss <promit_euhss@... > wrote:
                if the velocity of something is 0.is dat possible the acceleration
                wont b 0.
                promit.




                Pinpoint customers who are looking for what you sell.




              • Tanvir Ahamed Bhuyain
                a revolving body has both angular velocity and linear velocity. the linear velocity works along the tangent of the path......... i am not sure if the velocity
                Message 7 of 13 , Jun 3, 2007
                  a revolving body has both angular velocity and linear velocity. the linear velocity works along the tangent of the path......... i am not sure if the velocity of a revolving body can be zero or not........

                  Tanvir

                  Nasa <nasarouf@...> wrote:
                  well, theoretically it has neither velocity nor acceleration. it has an 'angular' velocity.

                  On 6/2/07, Murshid Islam < murshid.islam@ gmail.com> wrote:
                  what if a particle is revolving at one point?

                  murshid.



                  On 6/2/07, Sufian Latif <slbonny@yahoo. com> wrote:
                  it's also possible for a particle moving with simple harmonic motion at the amplitude position.

                  Nasa <nasarouf@gmail. com> wrote:
                  consider a projectile thrown vertically when at the highest point

                  On 5/31/07, promit_euhss <promit_euhss@ yahoo.com > wrote:
                  if the velocity of something is 0.is dat possible the acceleration
                  wont b 0.
                  promit.




                  Pinpoint customers who are looking for what you sell.



                  Send instant messages to your online friends http://uk.messenger.yahoo.com

                • Murshid Islam
                  i am not sure but i thought the velocity of a revolving particle is zero because the displacement of such a particle is zero. but i am saying once again that i
                  Message 8 of 13 , Jun 4, 2007
                    i am not sure but i thought the velocity of a revolving particle is zero because the displacement of such a particle is zero. but i am saying once again that i am not sure. i have read all these so many years ago. :(

                    murshid

                    On 6/3/07, Tanvir Ahamed Bhuyain <tanvirabs@...> wrote:

                    a revolving body has both angular velocity and linear velocity. the linear velocity works along the tangent of the path......... i am not sure if the velocity of a revolving body can be zero or not........

                    Tanvir

                    Nasa <nasarouf@...> wrote:

                    well, theoretically it has neither velocity nor acceleration. it has an 'angular' velocity.

                    On 6/2/07, Murshid Islam < murshid.islam@...> wrote:
                    what if a particle is revolving at one point?

                    murshid.



                    On 6/2/07, Sufian Latif < slbonny@...> wrote:
                    it's also possible for a particle moving with simple harmonic motion at the amplitude position.

                    Nasa <nasarouf@...> wrote:
                    consider a projectile thrown vertically when at the highest point

                    On 5/31/07, promit_euhss < promit_euhss@... > wrote:
                    if the velocity of something is 0.is dat possible the acceleration
                    wont b 0.
                    promit.




                    Pinpoint customers who are looking for what you sell.



                    Send instant messages to your online friends http://uk.messenger.yahoo.com


                  • Tanvir Ahamed Bhuyain
                    the displacement of a revolving particle is not zero.............. if the radius of it s path is r and it transverses a angle A (which is the angular
                    Message 9 of 13 , Jun 4, 2007
                      the displacement of a revolving particle is not zero.............. if the radius of it's path is "r" and it transverses a angle "A"(which is the angular displacement) then it's linear displacement is "S = r * A" (the simple redian formula we all know)...

                      Tanvir

                      Murshid Islam <murshid.islam@...> wrote:
                      i am not sure but i thought the velocity of a revolving particle is zero because the displacement of such a particle is zero. but i am saying once again that i am not sure. i have read all these so many years ago. :(

                      murshid

                      On 6/3/07, Tanvir Ahamed Bhuyain <tanvirabs@yahoo. com> wrote:
                      a revolving body has both angular velocity and linear velocity. the linear velocity works along the tangent of the path........ . i am not sure if the velocity of a revolving body can be zero or not........

                      Tanvir

                      Nasa <nasarouf@gmail. com> wrote:
                      well, theoretically it has neither velocity nor acceleration. it has an 'angular' velocity.

                      On 6/2/07, Murshid Islam < murshid.islam@ gmail.com> wrote:
                      what if a particle is revolving at one point?

                      murshid.



                      On 6/2/07, Sufian Latif < slbonny@yahoo. com> wrote:
                      it's also possible for a particle moving with simple harmonic motion at the amplitude position.

                      Nasa <nasarouf@gmail. com> wrote:
                      consider a projectile thrown vertically when at the highest point

                      On 5/31/07, promit_euhss < promit_euhss@ yahoo.com > wrote:
                      if the velocity of something is 0.is dat possible the acceleration
                      wont b 0.
                      promit.




                      Pinpoint customers who are looking for what you sell.



                      Send instant messages to your online friends http://uk.messenger.yahoo.com


                      Send instant messages to your online friends http://uk.messenger.yahoo.com

                    • Nasa
                      however, displacement means the change of location of the CG . if the center of revolution is the CG then clearly, there is no displacement, hence zero
                      Message 10 of 13 , Jun 4, 2007
                        however, 'displacement' means the 'change of location of the CG'.

                        if the center of revolution is the CG then clearly, there is no displacement, hence zero velocity and acceleration :)

                        but if the center of revolution is not the CG then the particle does have a 'speed' and a 'constantly direction changing' velocity and hence a constant acceleration.

                        more: http://en.wikipedia.org/wiki/Angular_momentum

                        On 6/4/07, Tanvir Ahamed Bhuyain < tanvirabs@...> wrote:

                        the displacement of a revolving particle is not zero.............. if the radius of it's path is "r" and it transverses a angle "A"(which is the angular displacement) then it's linear displacement is "S = r * A" (the simple redian formula we all know)...

                        Tanvir

                        Murshid Islam <murshid.islam@gmail.com> wrote:

                        i am not sure but i thought the velocity of a revolving particle is zero because the displacement of such a particle is zero. but i am saying once again that i am not sure. i have read all these so many years ago. :(

                        murshid

                        On 6/3/07, Tanvir Ahamed Bhuyain <tanvirabs@...> wrote:
                        a revolving body has both angular velocity and linear velocity. the linear velocity works along the tangent of the path......... i am not sure if the velocity of a revolving body can be zero or not........

                        Tanvir

                        Nasa <nasarouf@...> wrote:
                        well, theoretically it has neither velocity nor acceleration. it has an 'angular' velocity.

                        On 6/2/07, Murshid Islam <murshid.islam@...> wrote:
                        what if a particle is revolving at one point?

                        murshid.



                        On 6/2/07, Sufian Latif <slbonny@...> wrote:
                        it's also possible for a particle moving with simple harmonic motion at the amplitude position.

                        Nasa <nasarouf@...> wrote:
                        consider a projectile thrown vertically when at the highest point

                        On 5/31/07, promit_euhss <promit_euhss@... > wrote:
                        if the velocity of something is 0.is dat possible the acceleration
                        wont b 0.
                        promit.




                        Pinpoint customers who are looking for what you sell.



                        Send instant messages to your online friends http://uk.messenger.yahoo.com


                        Send instant messages to your online friends http://uk.messenger.yahoo.com


                      • Tanvir Ahamed Bhuyain
                        yes, you are right...... I was only considering a discreet body revolving about a discrete center......... as example, an electron around a proton............
                        Message 11 of 13 , Jun 6, 2007
                          yes, you are right...... I was only considering a discreet body revolving about a discrete center......... as example, an electron around a proton............

                          Tanvir

                          Nasa <nasarouf@...> wrote:
                          however, 'displacement' means the 'change of location of the CG'.

                          if the center of revolution is the CG then clearly, there is no displacement, hence zero velocity and acceleration :)

                          but if the center of revolution is not the CG then the particle does have a 'speed' and a 'constantly direction changing' velocity and hence a constant acceleration.

                          more: http://en.wikipedia .org/wiki/ Angular_momentum

                          On 6/4/07, Tanvir Ahamed Bhuyain < tanvirabs@yahoo. com> wrote:
                          the displacement of a revolving particle is not zero........ ...... if the radius of it's path is "r" and it transverses a angle "A"(which is the angular displacement) then it's linear displacement is "S = r * A" (the simple redian formula we all know)...

                          Tanvir

                          Murshid Islam <murshid.islam@gmail.com> wrote:
                          i am not sure but i thought the velocity of a revolving particle is zero because the displacement of such a particle is zero. but i am saying once again that i am not sure. i have read all these so many years ago. :(

                          murshid

                          On 6/3/07, Tanvir Ahamed Bhuyain < tanvirabs@yahoo. com> wrote:
                          a revolving body has both angular velocity and linear velocity. the linear velocity works along the tangent of the path........ . i am not sure if the velocity of a revolving body can be zero or not........

                          Tanvir

                          Nasa <nasarouf@gmail. com> wrote:
                          well, theoretically it has neither velocity nor acceleration. it has an 'angular' velocity.

                          On 6/2/07, Murshid Islam < murshid.islam@ gmail.com> wrote:
                          what if a particle is revolving at one point?

                          murshid.



                          On 6/2/07, Sufian Latif < slbonny@yahoo. com> wrote:
                          it's also possible for a particle moving with simple harmonic motion at the amplitude position.

                          Nasa <nasarouf@gmail. com> wrote:
                          consider a projectile thrown vertically when at the highest point

                          On 5/31/07, promit_euhss < promit_euhss@ yahoo.com > wrote:
                          if the velocity of something is 0.is dat possible the acceleration
                          wont b 0.
                          promit.




                          Pinpoint customers who are looking for what you sell.



                          Send instant messages to your online friends http://uk.messenger.yahoo.com


                          Send instant messages to your online friends http://uk.messenger.yahoo.com


                          Send instant messages to your online friends http://uk.messenger.yahoo.com

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