Question:

A simple pendulum of length 1 m has a wooden bob of mass 1 kg  It is struck by a bullet of mass 10^–2 kg moving with a speed of 2 × 10² m/s .The bullet gets embedded into the bob. The height to which the bob rises before swinging back is.(use g = 10 m/s²)   

(1) 0.30 m 

(2) 0.20 m

(3) 0.35 m

(4) 0.40 m                                                                     JEE-2024         

Solution:                
A simple pendulum of length 1 m has a wooden bob of mass 1 kg It is struck by a bullet of mass 10^–2 kg moving with a speed of 2 × 10² m/s .The bullet gets embedded into the bob. The height to which the bob rises before swinging back is.(use g = 10 m/s²) (1) 0.30 m (2) 0.20 m (3) 0.35 m (4) 0.40 m

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