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As the boomerang approaches the end of its flight the axis
of spin will be twisted 90° from its original orientation. This means
that the boomerang is now rotating horizontally and the remaining lift produced
by the wings is acting against gravity, producing a slow hovering descent.
The spin rate slightly increases, conserving its angular momentum, aiding
in slowing down the descent. Most of the energy of the boomerang has been
used up by aerodynamic drag and the acceleration which produced the curving
flight, making the boomerang safe for a careful catch. |
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