A stone dropped from top of a well reaches the surface of water in 2 seconds,find the velocity of stone while it touches the surface of water and what is the depth of the water surface from top of well(g=10m/S2) (

A stone dropped from top of a well reaches the surface of water in 2 s

1.	A stone dropped from top of a well reaches the surface of water in 2 seconds,find the velocity of stone while it touches the surface of water and what is the depth of the water surface from top of well(g=10m/S2) (
Answer» v=u+gtv=10×2 =20M/sv^2=u^2+2gh 20^2=2×10×hh=400/20 =20m

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A stone dropped from top of a well reaches the surface of water in 2 seconds,find the velocity of stone while it touches the surface of water and what is the depth of the water surface from top of well(g=10m/S2) ( ​

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A stone dropped from top of a well reaches the surface of water in 2 seconds,find the velocity of stone while it touches the surface of water and what is the depth of the water surface from top of well(g=10m/S2) (