- #1
gadawg90
- 18
- 0
A model rocket is launched straight upward with an initial speed of 54.4 m/s. It accelerates with a constant upward acceleration of 2.20 m/s2 until its engines stop at an altitude of 131 m. What is the maximum height reached by the rocket? How long after lift off does the rocket reach its maximum height? How long is the rocket in the air?
well i was thinking that the velocity final would be 0 since at the top it would stop for a very short time, so i plugged the numbers into the equation
Vf^2=Vi^2+2ad and solved for d, but that's not right.i got 673 m
well i was thinking that the velocity final would be 0 since at the top it would stop for a very short time, so i plugged the numbers into the equation
Vf^2=Vi^2+2ad and solved for d, but that's not right.i got 673 m