this is for holding javascript data
Ghlen Livid added From_3_vec_a_t__.tex
almost 8 years ago
Commit id: 8a5fda2840f9612b7a088a8c2d6892fffb9a736c
deletions | additions
diff --git a/From_3_vec_a_t__.tex b/From_3_vec_a_t__.tex
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+++ b/From_3_vec_a_t__.tex
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From (3):
$$\vec a(t)\Delta t^2=2\vec x(t)-\vec x(t-\Delta t)-\vec{x}(t+\Delta t)$$
$$\vec a(t+\Delta t)\Delta t^2=2\vec x(t+\Delta t)-\vec x(t)-\vec{x}(t+2 \Delta t)$$
$$(\vec a(t+\Delta t)+ \vec a(t))\Delta t^2=2\vec x(t)-\vec x(t-\Delta t)-\vec{x}(t+\Delta t)
+2\vec x(t+\Delta t)-\vec x(t)-\vec{x}(t+2 \Delta t)$$
