At the point where a pendulum has lost 9 joules of potential energy, how much kinetic energy has it gained?https://go-math-science.com/physics/the-conservation-of-momentum-and-energy/energy-conservation/at-the-point-where-a-pendulum-has-lost-9-joules-of-potential-energy-how-much-kinetic-energy-has-it-gainedhttps://go-math-science.com/@@site-logo/logo-new.png
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At the point where a pendulum has lost 9 joules of potential energy, how much kinetic energy has it gained?