mvt.py

Created on December 06, 2023

626 Bytes

->             ->
v  par rapport a OM(x= et y=)

->
v (vx= dx/dt) = v0 cos alpha
  (vy= dy/dt) = -gt+v0 sin alpha
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->               ->
a  par rapport a v

->
a (ax= dvx/dt) =0
  (ay= dvy/dt) =-g
  
a= delta(v)/delta(t)
 =vb-va / tb-ta
________________________________
->               ->
OM par rapport a v

->
OM=(x=v0 cos alpha *t)
   (y=-1/2*gt^2+v0 sin alpha *t)
________________________________
2e loi de Newton
->     -> -> ->     ->
ZFext= P+ F+ R = m* a
________________________________
Em= Ec+Ep
Ec= 1/2 *m*v^2
Ep= m*g*z
______________________________
>g=>P/m
E=U/d
>F=q*>E

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