A ball is projected vertically up from the top of the cliff of height h with a speed v1. Another ball is projected vertically up with a speed v2 from the instant of projection of the first ball. When wil the balls meet?
A ball is projected vertically up from the top of the cliff of height h with a speed v1. Another ball is projected vertically up with a speed v2 from the instant of projection of the first ball. When wil the balls meet?










