MHT CET 2024 Physics question
The bob of a pendulum of length 'l' is pulled aside from its equilibrium position through an angle '' and then released. Then bob will then pass through its equilibrium position with speed 'v', where 'v' equal to (g = acceleration due to gravity)
Answer: (A)
Solution
When the bob is displaced through angle , it is raised above its lowest point by . By conservation of mechanical energy, the potential energy gained at the top is converted completely into kinetic energy at the equilibrium position: $mgh =
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