JEE Main Physics question
A bullet of mass 'a' and velocity 'b' is fired into a large block of mass 'c'. The final velocity of the system is
Answer: (B)
Solution
By momentum conservation: ab + c(0) = (a+c)V ⟹ V = ab/(a+c) = [a/(a+c)] × b.
A bullet of mass 'a' and velocity 'b' is fired into a large block of mass 'c'. The final velocity of the system is
By momentum conservation: ab + c(0) = (a+c)V ⟹ V = ab/(a+c) = [a/(a+c)] × b.