Respuesta :
Answer:
The change of the altitude is 8000 feet
Step-by-step explanation:
* Lets explain how to solve the problem
- A missile was fired from a submarine
- The submarine is 400 feet below the sea
- The missile reached a height of 7600 feet before exploding
- The surface of the sea is the 0 measure
- Under the surface of the sea the measure is negative
- Over the surface of the sea the measure is positive
∵ The submarine is 400 feet below the sea
∴ The missile is fired from altitude from the surface of the
sea = -400 feet
∵ The missile reached a height of 7600 feet before exploding
∴ The altitude of the missile before exploding from the surface
of the see = 7600 feet
∵ The change of the altitude is the difference between the
altitude of exploding and the altitude of firing
∴ The change of the altitude = 7600 - (-400) = 7600 + 400 = 8000
∴ The change of the altitude is 8000 feet
Answer:
The change in the altitude of the missile was 8,000 feet
Step-by-step explanation:
We establish a system of references where we consider any height that is above sea level positive, and we consider any height below sea level negative.
Then the missile was launching at a height [tex]h_1 = -400\ ft[/tex]
The final height reached by the missile was [tex]h_2 = 7,600\ ft[/tex]
So the change in height was:
[tex]change = h_2-h_1[/tex]
[tex]change = 7,600- (-400)[/tex]
[tex]change = 7,600 + 400[/tex]
[tex]change = 8,000\ ft[/tex]