A bullet, moving with a speed of `150(m)//(s)`, strikes a wooden plank. After passing through
Channel: Doubtnut
Date: 02/11/2021

A bullet, moving with a speed of `150(m)//(s)`, strikes a wooden plank. After passing through the plank, its speed becomes `125(m)//(s)`. Another bullet of the same mass and size strikes the plank with a speed of `90(m)//(s)`. Its speed after passing through the plank would be