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Newtonian mechanics discusses the movement of classical bodies under the influence of forces by applying Newton’s three laws. For more general concepts, use [classical-mechanics]. For Newton’s description of gravity, use [newtonian-gravity].
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Accepted
Energy transfer in a coupled pendulum
The string that the eggs hang from is allowed to move in the same direction as the eggs when swung perpendicular. This is not the case when you swing in parallel. If you hold the top string still and …
2
votes
Where does the extra kinetic energy come from in a gravitational slingshot?
Let's look at what happens if we put numbers into your equations to see if there actually is a violation of the conservation of energy.
Using numbers for Earth from wikipedia we have a velocity of $2 …