Question

12. A bullet of mass 50 g enters a block of thickness
t with speed of 500 ms-1. It emerges with 4% of
its initial kinetic energy. The emergent speed is
(1) 100 ms
(2) 200 ms-1
(3) 300 ms -1
(4) 500 ms 1​

Answer 1

Answer:

Your answer is option A. 100m/s