JEE Main 202229 Jun, Morning shiftPhysicsMediumKinematics177× since 2002
Two balls A and B are placed at the top of 180 m tall tower. Ball A is released from the top at t = 0 s. Ball B is thrown vertically down with an initial velocity 'u' at t = 2 s. After a certain time, both balls meet 100 m above the ground. Find the value of 'u' in ms^1. [use g = 10 ms^2] :