1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Integrating gravity(g)= -9.8m/s

  1. Sep 25, 2004 #1
    correct me if im wrong....

    By integrating gravity(g)= -9.8m/s....you get the motion equations with constant acceleration

    I didnt know how to set the limits of the integral...LATEX IS TUFF
    [tex]d\vec{a}=(-g)dt[/tex] 1

    [tex]\int_{\vec{V}_0}^{\vec{V}}dv=\int_{t_0}^{t_1}{-g}dt[/tex] 2

    [tex]\Delta{\vec{v}}=(-g)t[/tex] 3

    [tex]\vec{v}dt=d\vec{r}[/tex] 4

    [tex]\d\vec{r}=(\vec{v}_0+(-g)t)dt[/tex] 5

    [tex]\intd\vec{r}=\int(\vec{v}_0+(-g)tdt[/tex] 6

    [tex]\Delta\vec{r}=\vec{v}_0t+1/2(-g)t^2[/tex] 7

    [tex]\Delta{\vec{v}}=\int{\vec{v}_0}dt[/tex] 8


    HOLD ON A SEC IM TRYN TO LATEX...Can anyone prove the force equations?

    HI merons dad
     
    Last edited: Sep 25, 2004
  2. jcsd
  3. Sep 25, 2004 #2

    Tide

    User Avatar
    Science Advisor
    Homework Helper

    Are you talking about Newton the physicist or Newton the mathematician?

    Physics: force = mass times acceleration or change in momentum per unit time

    acceleration = time rate of change of velocity

    Mathematics: [itex]a = \frac {dv}{dt}[/itex]
     
  4. Sep 25, 2004 #3
    Gravity

    Did I make some mistakes...?..i think i fixed them all. Can anyone show how to derive Torqu?

    [tex]\Delta{\vec{v}}=(-g)t[/tex] 3

    [tex]\vec{v}dt=d\vec{r}[/tex] 4

    [tex]d\vec{r}=(\vec{v}_0+(-g)t)dt[/tex] 5

    [tex]\intd\vec{r}=\int(\vec{v}_0+(-g)tdt[/tex] 6

    [tex]\Delta\vec{r}=\vec{v}_0t+1/2(-g)t^2[/tex] 7

    [tex]\Delta{\vec{v}}=\int{\vec{v}_0}dt[/tex] 8
     
    Last edited: Sep 25, 2004
  5. Sep 25, 2004 #4
    Oooops I ment to put that on the physics posts not calculus :frown: :frown:
     
  6. Oct 30, 2004 #5
    how did he figure it out..experiment?
     
    Last edited: Oct 30, 2004
  7. Nov 1, 2004 #6
    No English!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
     
  8. Nov 1, 2004 #7

    Gokul43201

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Alem, there appears to be a problem with your line #8.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook