Question
A 74.0kN kN spaceship comes in for a vertical landing. From an initial speed of 1.00 km/s {\rm km/s}, it comes to rest in 2.40min min with uniform acceleration.
What braking force must its rockets provide? Ignore air resistance.
What braking force must its rockets provide? Ignore air resistance.
Answers
Steve
-1km/s / (2.4min * 60s/min)
= -1km/s / 144s
= -1/144 km/s^2 * 1000m/km
= -6.94 m/s^2
= -1km/s / 144s
= -1/144 km/s^2 * 1000m/km
= -6.94 m/s^2
deb
f=1.26x10^5 N