Maximum altitude of a rocket if launched vertically


by karan01
Tags: horizontal, launch, range, rocket, vertical
karan01
karan01 is offline
#1
Aug13-10, 02:29 AM
P: 1
1. The problem statement, all variables and given/known data

The missile has maximum horizontal range of 160km. What is the maximum altitude it can reach if launched vertically?

2. Relevant equations

v2=u2 +2as

3. The attempt at a solution

v=0 (because the velocity is zero when it is not rising anymore)
u=0
a= -9.8 (up is the positive direction
s= the answer, the height

That is how I thought I am supposed to do it...

By the way you guys do a great job on these forums, I lurk here a lot :)
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Onamor
Onamor is offline
#2
Aug13-10, 04:30 AM
P: 78
Quote Quote by karan01 View Post
The missile has maximum horizontal range of 160km.
You can extract the information you need from that line. How do you achieve maximum horizontal distance with a projective under gravity?

Also are you sure initial velocity, u, should be zero?
Swap
Swap is offline
#3
Aug13-10, 04:56 AM
P: 72
apply the formula for calculating the maximum range. From there u will get the Velocity of the projectile.


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