Question
A paper weight is dropped from the roof of a 35 storey building each storey being 3m high. It passes the ceiling of the 20th storey at x m/s [g=10 m/s2]. Find x.
Joshi sir comment
total height = (35-20+1)*3 = 48 m
now solve
A paper weight is dropped from the roof of a 35 storey building each storey being 3m high. It passes the ceiling of the 20th storey at x m/s [g=10 m/s2]. Find x.
total height = (35-20+1)*3 = 48 m
now solve