JEE Main 2022 Physics question
A pendulum of length 2 m consists of a wooden bob of mass 50 g. A bullet of mass 75 g is fired towards the stationary bob with a speed v. The bullet emerges out of the bob with a speed v/3 and the bob just completes the vertical circle. The value of v is . (if g = 10 ).
Answer: 10
Solution
For the bob to just complete the vertical circle, its speed at the bottom must be $ = {5 ×
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