A body is projected horizontally from the top of a tower with a velocity of 20m/s .After what time the vertical component of velocity is four times the horizontal component of velocity `(g=10m/s^(2))`

A body is projected horizontally from the top of a tower with a velocity of 20 m/s. After what time the vertical component of velocity is four times the horizontal component of velocity ? (g = 10 m//s^(2) )

A body is projected horizontally from the top of a tower with a velocity of 20 m/s. After what time the vertical component of velocity is four times the horizontal component of velocity ? (g = 10 m//s^(2) )

A body is projected horizontally from the top of a hill with a velocity of 9.8 m/s. What time elapses before the vertical velocity is twice the horizontal velocity?

A body is projected horizontally from the top of a hill with a velocity of 9.8 m/s. What time elapses before the vertical velocity is twice the horizontal velocity?