A rocket moves straight upward, starting from rest with an acceleration of +25.5 m/s2. It runs out of fuel at the end of 4.26 s and continues to coast upward, reaching a maximum height before falling back to Earth.

Question

A rocket moves straight upward, starting from rest with an acceleration of +25.5 m/s2. It runs out of fuel at the end of 4.26 s and continues to coast upward, reaching a maximum height before falling back to Earth. 
(a) Find the rocket's velocity and position at the end of 4.26 s.
vb =	  m/s
yb =	  m

(b) Find the maximum height the rocket reaches. 
  m

(c) Find the velocity the instant before the rocket crashes on the ground. 
  m/s

drwls · Answer

We will be happy to critique your work.

seanso · Answer

if I knew where to start I would have work smartass.