# Kinematics (Free fall)

Two balls are projected ( one vertically upwards and the other vertically downwards) with initial velocity $$u$$ from a height $$h$$. They take 8 seconds and 2 seconds respectively to reach the ground.

Another ball is dropped from the same height $$h$$ and it takes $$t$$ seconds for it to reach the ground. Find the value of $$t$$.

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