A body, freely falling under gravity will have uniform

Write down the equation of a freely falling body under gravity.

A negative charged particle falling freely under gravity enters a region having uniform horizontal magnetic field pointing towards north.The particle will be deflected towards

A negative charged particle falling freely under gravity enters a region having uniform horizontal magnetic field pointing towards north.The particle will be deflected towards

A body falls freely under gravity and moves for n sec. Its velocity after n sec is "V" .The displacement of the body in the last 3 sec is