A rocket accelerates from rest to an upward velocity of 4075 m/s
over a displacement of 375 km.
a) What is the acceleration of the rocket?
b) How long did it take the rocket to travel 375 km?
- Andrew SmithLv 71 month ago
You are assuming that the acceleration was constant starting from zero. v^2 = 2as -> a = v^2 / 2s = 4075^2/(2 *375000) = 22m/s^2
2). Average speed = final speed/2 Time = distance / average speed = 375000/(4075/2) = 184 s