There is just *one* kind of mass!!
in [Physics]
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From: Y.Porat on 4 Jan 2010 02:45 9 sent a new thread and for some reason i cant see it so let me try again: Let us take an example case: a mass (say electron or Proton) is starting to move at a low velocity v1 and therefore has momentum P1 = mv! later it is accelerated to a much hifger velocity P2 = mv2 say v2 very close to c !!! so now P2 >> P1 my question is what made P2 to be bigger than P1 ?? (what made the momentum to be bigger ) do you think it is a trivial question?? we are going to see if all people think so and really understand what they are parroting 2 we keep in mind that momentum = mv =F detat T (F force T Time ) TIA Y.Porat -------------------------
From: Inertial on 4 Jan 2010 03:11 "Y.Porat" <y.y.porat(a)gmail.com> wrote in message news:1acebe05-1399-406e-aaed-79802bf80557(a)u7g2000yqm.googlegroups.com... > 9 sent a new thread > and for some reason i cant see it > so let me try again: Be ny guest > Let us take an example case: > > a mass (say electron or Proton) > is starting to move at a low velocity v1 > and therefore has momentum > P1 = mv! Close enough P1 = gamma.mv1 and when v << c, gamma is very close to 1 so P2 ~= mv1 at at low velocities, it is very difficult to determine the difference > later it is accelerated to a much hifger velocity > P2 = mv2 > say v2 very close to c !!! Then the formula is wrong for momentum P2 = gamma.mv2 > > so now > P2 >> P1 Yes > my question is > what made P2 to be bigger than P1 ?? The velocity is bigger of course. Momentum is a frame dependent value. So its value depends on relative velocity of the object being observed. Different observers will have different values for the momentum. > (what made the momentum to be bigger ) > > do you think it is a trivial question?? Not unless you are asking what momentum actually is and how different observers can measure different values for it. Then its something that I do not think there is a good definitive physics answer for. I'm sure you'll come up with some nonsense to explain it .. probably involving things moving in circles. > we are going to see if all people think so > and really understand what they are parroting > 2 > we keep in mind that > momentum = mv =F detat T > (F force > T Time ) Only at low velocities (v << c)
From: Y.Porat on 4 Jan 2010 04:14 On Jan 4, 10:11 am, "Inertial" <relativ...(a)rest.com> wrote: > "Y.Porat" <y.y.po...(a)gmail.com> wrote in message > > news:1acebe05-1399-406e-aaed-79802bf80557(a)u7g2000yqm.googlegroups.com... > > > 9 sent a new thread > > and for some reason i cant see it > > so let me try again: > > Be ny guest > > > Let us take an example case: > > > a mass (say electron or Proton) > > is starting to move at a low velocity v1 > > and therefore has momentum > > P1 = mv! > > Close enough > > P1 = gamma.mv1 > > and when v << c, gamma is very close to 1 so > > P2 ~= mv1 > > at at low velocities, it is very difficult to determine the difference > > > later it is accelerated to a much hifger velocity > > P2 = mv2 > > say v2 very close to c !!! > > Then the formula is wrong for momentum > > P2 = gamma.mv2 > > > > > so now > > P2 >> P1 > > Yes > > > my question is > > what made P2 to be bigger than P1 ?? > > The velocity is bigger of course. Momentum is a frame dependent value. So > its value depends on relative velocity of the object being observed. > Different observers will have different values for the momentum. > > > (what made the momentum to be bigger ) > > > do you think it is a trivial question?? > > Not unless you are asking what momentum actually is and how different > observers can measure different values for it. Then its something that I do > not think there is a good definitive physics answer for. I'm sure you'll > come up with some nonsense to explain it .. probably involving things moving > in circles. > > > we are going to see if all people think so > > and really understand what they are parroting > > 2 > > we keep in mind that > > momentum = mv =F detat T > > (F force > > T Time ) > > Only at low velocities (v << c) ------------------- see the title next !!! ..... (:-) please by pass the leech idiot parrot lier psychopath Feuerbacher TIA Y.Porat --------------------
From: Inertial on 4 Jan 2010 07:00 "Y.Porat" <y.y.porat(a)gmail.com> wrote in message news:84966d5a-7fc3-4e2f-bc79-87dae1de875d(a)r24g2000yqd.googlegroups.com... > On Jan 4, 10:11 am, "Inertial" <relativ...(a)rest.com> wrote: >> "Y.Porat" <y.y.po...(a)gmail.com> wrote in message >> >> news:1acebe05-1399-406e-aaed-79802bf80557(a)u7g2000yqm.googlegroups.com... >> >> > 9 sent a new thread >> > and for some reason i cant see it >> > so let me try again: >> >> Be ny guest >> >> > Let us take an example case: >> >> > a mass (say electron or Proton) >> > is starting to move at a low velocity v1 >> > and therefore has momentum >> > P1 = mv! >> >> Close enough >> >> P1 = gamma.mv1 >> >> and when v << c, gamma is very close to 1 so >> >> P2 ~= mv1 >> >> at at low velocities, it is very difficult to determine the difference >> >> > later it is accelerated to a much hifger velocity >> > P2 = mv2 >> > say v2 very close to c !!! >> >> Then the formula is wrong for momentum >> >> P2 = gamma.mv2 >> >> >> >> > so now >> > P2 >> P1 >> >> Yes >> >> > my question is >> > what made P2 to be bigger than P1 ?? >> >> The velocity is bigger of course. Momentum is a frame dependent value. >> So >> its value depends on relative velocity of the object being observed. >> Different observers will have different values for the momentum. >> >> > (what made the momentum to be bigger ) >> >> > do you think it is a trivial question?? >> >> Not unless you are asking what momentum actually is and how different >> observers can measure different values for it. Then its something that I >> do >> not think there is a good definitive physics answer for. I'm sure you'll >> come up with some nonsense to explain it .. probably involving things >> moving >> in circles. >> >> > we are going to see if all people think so >> > and really understand what they are parroting >> > 2 >> > we keep in mind that >> > momentum = mv =F detat T >> > (F force >> > T Time ) >> >> Only at low velocities (v << c) > > ------------------- > > see the title You've not addressed anything in the title. You've only discussed momentum increasing with velocity. > next !!! ..... (:-) > please by pass the leech idiot parrot > lier psychopath > Feuerbacher He isn't posting here.
From: Y.Porat on 4 Jan 2010 07:39
On Jan 4, 2:00 pm, "Inertial" <relativ...(a)rest.com> wrote: > "Y.Porat" <y.y.po...(a)gmail.com> wrote in message > > news:84966d5a-7fc3-4e2f-bc79-87dae1de875d(a)r24g2000yqd.googlegroups.com... > > > > > On Jan 4, 10:11 am, "Inertial" <relativ...(a)rest.com> wrote: > >> "Y.Porat" <y.y.po...(a)gmail.com> wrote in message > > >>news:1acebe05-1399-406e-aaed-79802bf80557(a)u7g2000yqm.googlegroups.com.... > > >> > 9 sent a new thread > >> > and for some reason i cant see it > >> > so let me try again: > > >> Be ny guest > > >> > Let us take an example case: > > >> > a mass (say electron or Proton) > >> > is starting to move at a low velocity v1 > >> > and therefore has momentum > >> > P1 = mv! > > >> Close enough > > >> P1 = gamma.mv1 > > >> and when v << c, gamma is very close to 1 so > > >> P2 ~= mv1 > > >> at at low velocities, it is very difficult to determine the difference > > >> > later it is accelerated to a much hifger velocity > >> > P2 = mv2 > >> > say v2 very close to c !!! > > >> Then the formula is wrong for momentum > > >> P2 = gamma.mv2 > > >> > so now > >> > P2 >> P1 > > >> Yes > > >> > my question is > >> > what made P2 to be bigger than P1 ?? > > >> The velocity is bigger of course. Momentum is a frame dependent value. > >> So > >> its value depends on relative velocity of the object being observed. > >> Different observers will have different values for the momentum. > > >> > (what made the momentum to be bigger ) > > >> > do you think it is a trivial question?? > > >> Not unless you are asking what momentum actually is and how different > >> observers can measure different values for it. Then its something that I > >> do > >> not think there is a good definitive physics answer for. I'm sure you'll > >> come up with some nonsense to explain it .. probably involving things > >> moving > >> in circles. > > >> > we are going to see if all people think so > >> > and really understand what they are parroting > >> > 2 > >> > we keep in mind that > >> > momentum = mv =F detat T > >> > (F force > >> > T Time ) > > >> Only at low velocities (v << c) > > > ------------------- > > > see the title > > You've not addressed anything in the title. You've only discussed momentum > increasing with velocity. > > > next !!! ..... (:-) > > please by pass the leech idiot parrot > > lier psychopath > > Feuerbacher > > He isn't posting here. ------------------- ok we heard you let others more creative than you -- get in next Y.Porat ----------------------- |