AL phsics (free falling)
An object falls from the top of a tower.
The object takes 0.4s to fall from the mid-point of the tower to the ground.
Calculate the time taken for the object to fall from the top of the tower to the ground.
reference ans. 1.37s
- 1 decade agoFavorite Answer
Let the top of the tower to the ground be h,the speed of the object at the mid-point be v
consider the motion from the middle to the ground
consider the motion from the top to middle
time fall from the top to the groung=0.9656+0.4=1.37sSource(s): myself