A stone drops from the edge of the roof. It passes a window 2 m high in `0*1 s`. How far is the roof above the top of the window?

A stone is dropeed from a height of10 cm above the top of a window 80 cm high. The time taken by the stone to cross the window is (g = 9.8 ms^(-2))

A stone is dropped from a height of 10cm above the top of a window 80 cm high.the time taken by the stone to cross the window is (g=9.8 ms^(-2))

A falling stone takes 0.25s to fall across a window which is 1 m high. From how far above the top of the window was the stone dropped (take g=10m//s^(2) )?