Asked by Makayla
A pendulum has entirely kinetic energy at the bottom of its swing.
True
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True.
At the lowest point of an ideal (frictionless) pendulum swing the gravitational potential energy is at a minimum, so the mechanical energy is entirely kinetic (speed is maximum). In a real pendulum some energy may have been lost to air resistance or friction, but neglecting those non‑conservative losses the bottom of the swing is all kinetic energy.
At the lowest point of an ideal (frictionless) pendulum swing the gravitational potential energy is at a minimum, so the mechanical energy is entirely kinetic (speed is maximum). In a real pendulum some energy may have been lost to air resistance or friction, but neglecting those non‑conservative losses the bottom of the swing is all kinetic energy.
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