The velocity vector of a stationary particle is __________

Fill in the blanks: Velocity vector of a stationary particle is a ______ vector.

The velocity of the stationary waves is

The orbital angular velocity vector of a geo-stationary satellite and the spin angular velocity vector of the earth are

A particle of mass m moving with velocity v strikes a stationary particle of mass 2 m and sticks to it. The speed of the system will be.

A particle of mass 2m moving with velocity v strikes a stationary particle of mass 3m and sticks to it . The speed of the system will be

A particle of mass 2m moving with velocity v strikes a stationary particle of mass 3m and sticks to it . The speed of the system will be

A particle of mass 2m moving with velocity v strikes a stationary particle of mass 3m and sticks to it. The speed of the system will be

A particle of mass m moving with velocity v is collide with a stationary particle of mass 2 m . The speed of the system , after collision will be ……….

A Neutron moving with velocity v collides with a stationary alpha particle. The velocity of the neutron after collision is