Question

A lead block of mass 30m is resting on rough horizontal surface, of coefficient mue. A
bullet of mass small 'm' is fired horizontally, with velocity u, on block. The bullet gets
embedded in block. The distance travelled by block, before coming to rest, is
(1)u^2/961mue g
(2)u^2/1900mue g
(3)u^2/1922mue g
(4)u^2/31mue g​

Answer 1

Answer:

option 3 u^2/1922mueg