A bullet fired vertically up from the ground reaches a point inits path after 3s and 13 s, both times being taken from the instant of firing the bullet. The velocity of projection of the bullet is (g=10ms^(-2))

A bullet fired vertically up from the ground reaches a point inits pat

1.	A bullet fired vertically up from the ground reaches a point inits path after 3s and 13 s, both times being taken from the instant of firing the bullet. The velocity of projection of the bullet is (g=10ms^(-2))
Answer» `80MS^(-1)` `40MS^(-1)` `160ms^(-1)` `20MS^(-1)` ANSWER :A