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Which year are you in? <a href=" http://www.greatnoiseensemble.com/10mg-valium-nop-prescription-overnight/ ">order valium from canadian pharmacy</a> A more sedate form of momentum transfer is Lindy Hop's version of a pirouette. It seems a simple move: the lead provides a torque, a rotational force, and the follow accepts the rotational momentum and spins. Luckily for the follow they have much more control over the move than that. If a follow sticks a leg out they can slow themselves down; by moving a mass away from the central pivot of the spin they increase their rotational mass (or inertia) and so slow down. The opposite is also true and so an ice skater can spin more quickly by moving their arms in. Alternatively, if a follow starts a spin with a leg out the lead must apply more force to start the turn but, when that leg is brought in that extra momentum is released and so velocity increases.
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