[" A man standing on the edge of the "],[" terrace of a high rise building throws "],[" a stone vertically up with a speed of "],[20m/s" .Two seconds later an "],[" identical stone is thrown vertically "],[" downwards with the same speed of "],[20m/s" .Then: "]

A man standing on the edge of the terrace of a high rise building throws a stone, vertically up with at speed of 20 m//s . Two seconds later, an identical stone is thrown vertically downwards with the same speed of 20 m ,. Then

A man standing on the edge of the terrace of a high rise building throws a stone, vertically up with at speed of 20 m//s . Two seconds later, an identical stone is thrown vertically downwards with the same speed of 20 m ,. Then

A ball is projected vertically up with speed 20 m/s. Take g=10m//s^(2)

A ball is projected vertically up with speed 20 m/s. Take g=10m//s^(2)

A person, standing on the roof of a 40 m high tower, throws a ball vertically upwards with speed 10 m/s. Two seconds later, he throws another ball again in vertical direction (use g=10(m)/(s^2) ). Both the balls hit the ground simultaneously.

A person, standing on the roof of a 40 m high tower, throws a ball vertically upwards with speed 10 m/s. Two seconds later, he throws another ball again in vertical direction (use g=10(m)/(s^2) ). Both the balls hit the ground simultaneously.

A person, standing on the roof of a 40 m high tower, throws a ball vertically upwards with speed 10 m/s. Two seconds later, he throws another ball again in vertical direction (use g=10(m)/(s^2) ). Both the balls hit the ground simultaneously.

A stone is thrown vertically upwards with a speed of 20 m/s. How high will it go before it begins to fall? (g=9 .8 m//s^2)

A person standing near the edge of the top of a building throws two balls A and B. The ball A is thrown vertically upward and B is thrown vertically downward with the same speed. The ball A hits the ground with speed v_A and the ball B hits the ground wiht a speed v_B . We have

A person standing near the edge of the top of a building throws two balls A and B. The ball A is thrown vertically upward and B is thrown vertically downward with the same speed. The ball A hits the ground with speed v_A and the ball B hits the ground wiht a speed v_B . We have