A body of mass `m_1` moving with an unknown velocity of `v_1 hati` undergoes a collinear collision with a body of mass `m_2` moving with a velocity `v_2 hati`. After collision, `m_1 and m_2` move with velocities of `v_3hati and v_4hati` respectively. If `m_2 = 0.5 m_1 and v_3 = 0.5v_1` then `v_1` is:

A body of mass m _ 1 moving with an unknown velocity of v _ 1 hati , undergoes a collinear collision with a body of mass m _ 2 moving with a velocity v _ 2 hati . After collision m _ 1 and m _ 2 move with velocities of v _ 3 hati and v _ 4 hati , respectively. If m _ 2 = 0.5 m _ 1 and v _ 3 = 0.5 v _ 1 , then v _ 1 is v _ 4 - (v _ 2 ) / (x ) , where x is _________.

A body of mass m _ 1 moving with an unknown velocity of v _ 1 hati , undergoes a collinear collision with a body of mass m _ 2 moving with a velocity v _ 2 hati . After collision m _ 1 and m _ 2 move with velocities of v _ 3 hati and v _ 4 hati , respectively. If m _ 2 = 0.5 m _ 1 and v _ 3 = 0.5 v _ 1 , then v _ 1 is

A body of mass m_(1) moving with an unknown velocity of v_(1)hat i , undergoes a collinear collision with a body of mass m_(2) moving with a velocity v_(2) hati . After collision , m_(1) and m_(2) move with velocities of v_(3) hati and V_(4) hati , respectively. If m_(2)=0.5 m_(1) and v_(3)=0.5v_(1) , then v_(1) is :

A body of mass m moving with a velocity v in the x direction collides with another body of mass M moving in y direction with a velocity V . They coalesce into one body during collision.

A ball of mass M moving with a velocity v collides perfectly inelastically with another ball of same mass but moving with a velocity v in the opposite direction. After collision

A body of mass 'm' moving with velocity v_(1) along X - axis undergo elastic collision with another body of same mass 'm' moving velocity v_(2) along X - axis . The velocity of second body after collision is equal to

A particle of mass m moving with a velocity (3hati+2hatj)ms^-1 collides with another body of mass M and finally moves with velocity (-2hati+hatj)ms^-1 . Then during the collision

A particle of mass m moving with a velocity (3hati+2hatj)ms^-1 collides with another body of mass M and finally moves with velocity (-2hati+hatj)ms^-1 . Then during the collision

A body of mass m moving with velocity u hati collides elastically with a body at rest of mass 3m and then the final velocity of body mass m is v hatj . Find the relation between v and u

A body of mass m moving with velocity u hati collides elastically with a body at rest of mass 3m and then the final velocity of body mass m is v hatj . Find the relation between v and u