physics
posted by Anonymous .
A stone is thrown vertically upward with a speed of 14.0 m/s from the edge of a cliff 89.0 m high

and...?

u=14.0 m/s
a=g= 9.8 m/s
s=h= 89.0 m
t=?
s=ut+1/2at*t
89=14*t+1/2*9.8*t*t
89=14*t+4.9*t*t
later i don't know............
sorry............
Respond to this Question
Similar Questions

physics
A stone is thrown vertically upward with a speed of 10.0 m/s from the edge of a cliff 59.0 m high. How much later does it reach the bottom of the cliff? 
Physics
A stone is thrown vertically upward with a speed of 12.0 m/s from the edge of a cliff 85.0 m high (Fig. 234). (a) How much later does it reach the bottom of the cliff? 
physics
A stone is thrown vertically upward with a speed of 11.5 m/s from the edge of a cliff 95.0 m high. (a) How much later does it reach the bottom of the cliff? 
physics
A stone is thrown vertically upward with a speed of 11.5 m/s from the edge of a cliff 95.0 m high. (a) How much later does it reach the bottom of the cliff? 
physics
A stone is thrown vertically upward with a speed of 11.5 m/s from the edge of a cliff 95.0 m high. (a) How much later does it reach the bottom of the cliff? 
science
A stone is thrown vertically upward with a speed of 11.0 m/s from the edge of a cliff 80.0 m high. How much later does it reach the bottom of the cliff? 
Physics
A stone is thrown straight upward with a speed of 12 m/s from the edge of a 70 m high cliff. How long is the stone in the air? 
physics
a stone is thrown vertically upward with a speed of 10.5 m/s from the edge of a cliff 76.0 m high. how much later does it reach the bottom of cliff? 
physics for physical science
A stone thrown vertically upwards with a speed of 12m/s from the edge of Cliff 70m high. Calculate the time the stone takes to hit the bottom of the cliff. 
physics
a stone is thrown vertically upward at a speed of 10 m/s from a cliff that is 95m high. How long will it take the stone to reach the bottom?