JEE Main & Advanced
Physics
NLM, Friction, Circular Motion
Question Bank
Numerical Value Type Questions - Laws of Motion
question_answer
A bullet of mass 20g has an initial speed of\[1\text{ }m{{s}^{-1}}\], just before it starts penetrating a mud wall of thickness 20 cm. If the wall offers a mean resistance of \[2.5\times {{10}^{-2}}N\], the speed (in m/s) of the bullet after emerging from the other side of the wall is close to: