Collisions
-
Collisions where Ex is conserved
elastic collisions
-
Therefore Initial Ex = Final EK
=
collisions where EK is not conserved
Inelastic collisions
-
Therefore Init Er # Final EK
Conservation of linear momentum -
The total initial momentum before collision
a is equal to t
a collision in a closed
system
Closed No external
System forces acting the
-
are on
Impulse -
F = Fat =
Ap
Decomposing Momentum
-Pinitiaa = V
Angle of deflection -
↳ normally very small
-
Collisions where Ex is conserved
elastic collisions
-
Therefore Initial Ex = Final EK
=
collisions where EK is not conserved
Inelastic collisions
-
Therefore Init Er # Final EK
Conservation of linear momentum -
The total initial momentum before collision
a is equal to t
a collision in a closed
system
Closed No external
System forces acting the
-
are on
Impulse -
F = Fat =
Ap
Decomposing Momentum
-Pinitiaa = V
Angle of deflection -
↳ normally very small