A ball is dropped from top of a tower of 100 m height. Simultaneously another ball was thrown upward from bottom of the tower with a speed of `50 m//s (g = 10m//s^(2))`. They will cross each other after

A ball is dropped from the top of a tower 100m high. Simultaneously another ball is thrown upward with a speed of 50m/s . After what time do they cross each other ?

A stone is dropped from the top of a tower 50 m high. Simultaneously another stone is thrown upwards from the ground with a speed of 20 "m.s"^(-1) . Calculate the time at which both the stone cross each other.

A ball is dropped from top of the building 100m high. Simultaneously another ball is thrown upwards from bottom of tower with such a velocity that the balls collide midway. What is the speed of 2nd ball ?

A stone is dropped from the top of a 400 m high tower. At the same time another stone is projected vertically upwards from the ground with a speed of 50 m//s . The two stones will cross each other after a time

A ball is fallen freely from top of tower of height 100 m and another ball is thrown upwards with 50 m/s at the same time when they will cross each other ? (g = 10 m//s^(2))

A ball is dropped from top of a tower 250 m high. At the same time, another ball is thrown upwards with a velocity of 50 ms^(-1) from the ground. The time at which they cross each other is

A ball is dropped from top of a tower 250 m high. At the same time, another ball is thrown upwards with a velocity of 50 ms^(-1) from the ground. The time at which they cross each other is

A ball is throuwn with a speed of 20 m//s from top of a buling 150 m high and simultaneously another ball is thrown vertically upward witn a speed of 30 m/s from the foot of the builing . Find the time when both the balls will meet (g =10 m//s^2)

A ball is throuwn with a speed of 20 m//s from top of a buling 150 m high and simultaneously another ball is thrown vertically upward witn a speed of 30 m/s from the foot of the builing . Find the time when both the balls will meet (g =10 m//s^2)