Two particles of equal mass m have respective initial velocities u i and u((i + j)/2). They collide completely inelastically. The energy lost in the process is:

Rotational Motion: JEE Main 2020 Physics question

JEE Main 2020 · 9 Jan, Morning shift · Q6220

JEE Main 20209 Jan, Morning shiftPhysicsMediumRotational Motion140× since 2002

Two particles of equal mass m have respective initial velocities

u\widehat i

and

u\left( {{{\widehat i + \widehat j} \over 2}} \right)

. They collide completely inelastically. The energy lost in the process is :

JEE Main 2020 · 9 Jan, Morning shift · Q6220

JEE Main 20209 Jan, Morning shiftPhysicsMediumRotational Motion140× since 2002

Two particles of equal mass m have respective initial velocities

u\widehat i

and

u\left( {{{\widehat i + \widehat j} \over 2}} \right)

. They collide completely inelastically. The energy lost in the process is :