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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 12:38 AM
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      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 6:43 AM
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        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.




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      • Nasa
        well, theoretically it has neither velocity nor acceleration. it has an angular velocity.
        Message 3 of 13 , Jun 2 8:59 AM
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          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 2:39 AM
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            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 3:40 AM
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              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 4:08 AM
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                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 8:38 AM
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                  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 3:14 AM
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                    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 8:22 AM
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                      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 8:24 PM
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                        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 8:49 AM
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                          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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