this is for holding javascript data
Ghlen Livid edited Then_vec_v_t_Delta__.tex
almost 8 years ago
Commit id: 7fd6c4de593d79c1a514f41e84973d241c98a8da
deletions | additions
diff --git a/Then_vec_v_t_Delta__.tex b/Then_vec_v_t_Delta__.tex
index 751cf98..8a20b58 100644
--- a/Then_vec_v_t_Delta__.tex
+++ b/Then_vec_v_t_Delta__.tex
...
And to show (2) follows from (3) we just need to show that
$$\vec{v}(t + \Delta t) - \vec{v}(t) = \frac{\vec{a}(t) + \vec{a}(t + \Delta t)}{2} \Delta t$$
Or
$$ \frac{\vec{x}(t+2\Delta t) - \vec{x}(t) - \vec{x}(t+\Delta t) + \vec{x}(t-\Delta t)}{2 \Delta t} = \frac{\vec{a}(t) + \vec{a}(t + \Delta t)}{2} \Delta t$$
$$ \vec{x}(t+2\Delta t) - \vec{x}(t) - \vec{x}(t+\Delta t) + \vec{x}(t-\Delta t) = (\vec{a}(t) + \vec{a}(t + \Delta t)) \Delta t^2$$