physics
posted by kj .
A rock is dropped from a very tall tower. If it takes 4.1 s for the rock to reach the ground, what is the height of the tower?

physics 
Dr Russ
h=0.5gt^2
assume that the tower is on Earth and thus g=9.8 m s^2
Respond to this Question
Similar Questions

Physics/Science #2
A rock is thrown verticaly upward from ground level at time t = 0. At t = 1.65 s it passes the top of a tall tower, and 0.95 s later it reaches its maximum height. What is the height of the tower? 
Physics
A rock is thrown vertically upward from ground level at time t=0. At time t=1.3s it passes the top of the tall tower, and 1.1s later it reaches its maximum height. What is the height of the tower? 
Physics
Omar throws a rock down with speed 12 m/s from the top of a tower. The rock hits the ground after 2.0 s. What is the height of the tower? 
Physics
omar throws a rock down with speed 12 m s from the top of a tower. The rock hits the ground after 2.0 s. What is the height of the tower? 
physics
omar throws a rock down with speed 12 m/s from the top of a tower. the rock hits the ground after 2 s. what is the height of the tower? 
College math
A rock is thrown from the top of a tower that is 400 feet tall. If its height above the ground can be modeled by h = 16t2 + 64t +400 where h is in feet, and t is in seconds. To the nearest tenth of a second, how long does it take … 
physics
a rock is thrown vertically upward from ground level at t=0. At t= 1.5s, it passes the top of a tall tower and 1.0 s later, it reached its maximum height. what is the height of the tower? 
physics
Question 1) A rock is dropped from the top of a 100 meter tall cliff. A. ) How long will it take for the rock to reach the ground. B) What will be the velocity of the rock when it hits the ground? 
math
A rock is dropped from a 600 foot tower. The height of the rock as a function of time can be modeled by the equation: h(t) = −16t 2 + 600. During what period of time will the height of the rock be greater than 300 above the ground? 
trigonometry
A rock dropped from the top of the Learning Tower of Pisa falls to a point 14 feet from its base. If the tower is 182 feet tall, at what angle does it lean at the ground?