A ball is dropped freely while another is thrown vertically downward with an initial velocity v from the same point simultaneously. After `t` second they are separated by a distance of

A stone is dropped freely, while another thrown vertically downward with an initial velocity of 2 "ms"^(-1) from the same point, simultaneously. The time required by them to have a distance of separation 22 m between them is

A stone is dropped freely, while another thrown vertically downward with an initial velocity of 2 "ms"^(-1) from the same point, simultaneously. The time required by them to have a distance of separation 22 m between them is

A stone is dropped freely while another thrown vertically downward with an initial velocity of 4 m/s from the same point simultaneously. The distance of separation between them will become 30 m after a time of

A stone is dropped freely while another thrown vertically downward with an initial velocity of 4 m/s from the same point simultaneously. The distance of separation between them will become 30 m after a time of