Physics
posted by Tracy .
An arrow is shot horizontally from a cliff at 15 m/s land 30 m away. How high is the cliff?

the arrow travels for 2 seconds
in 2 seconds, it falls 4.9*2^2 = 19.6m
Respond to this Question
Similar Questions

physics!
A girl shoots an arrow from the top of a cliff. The arrow is initially at a point 20 meters above the level field below. The arrow is shot at an angle of 30 degrees above the horizontal with a speed of 39.2m/s. How far out from the … 
physics!
A girl shoots an arrow from the top of a cliff. The arrow is initially at a point 20 meters above the level field below. The arrow is shot at an angle of 30 degrees above the horizontal with a speed of 39.2m/s. How far out from the … 
physics
an arrow is shot from a cliff at an angle of 0 degrees with respect to the vertical at a speed of 30m/sec. It takes 4 seconds for the arrow to hit the ground. how high is the cliff? 
Physics
An arrow is shot horizontally from a cliff at 15 m/s land 30 m away. How high is the cliff? 
Math(Algebra)
If an arrow was shot at such an angle that for every second of travel a lateral change of 50 feet away from the archer was gained, how far away does the arrow land from cliff base? 
physics
George, a cliff diver, begins running 3.15 m away from the edge of a 33.3 m high cliff, if he accelerate at a constant rate of 0.76 m/s2 until he runs horizontally off the cliff, then how far away from the base will he hit the water? 
Physics
An arrow is shot from a height of 1.5 m toward a cliff of height . It is shot with a velocity of 30 m/s at an angle of 60 deg above the horizontal. It lands on the top edge of the cliff 4.0 s later. (a) What is the height of the cliff? 
Physics
An arrow is shot from a height of 1.4 m toward a cliff of height H. It is shot with a velocity of 28 m/s at an angle of 60° above the horizontal. It lands on the top edge of the cliff 3.6 s later. a) What is the height of the cliff … 
physics 11
a canon is shot horizontally at 15 m/s off a cliff, which is 36m above water. how far away from the cliff should the target enemy boat be when the canon is shot? 
Physics
An arrow is shot from a height of 1.4 m toward a cliff of height H. It is shot with a velocity of 26 m/s at an angle of 60° above the horizontal. It lands on the top edge of the cliff 3.4 s later. (a) What is the height of the cliff …