JEE Main 2023 Physics question

A bullet of mass 0.1 kg moving horizontally with speed 400 hits a wooden block of mass 3.9 kg kept on a horizontal rough surface. The bullet gets embedded into the block and moves 20 m before coming to rest. The coefficient of friction between the block and the surface is .

• (A)0.90
• (B)0.50
• (C)0.65
• (D)0.25Correct