Answer:
The net force acting on the rocket = 1.6 x 10⁸ N
Explanation:
The rocket starts from rest
The initial speed, u = 0 m/s
Final speed, v = 9.6 km/s
v = 9.6 x 1000 m/s
v = 9.6 x 10³ m/s
The time taken, t = 8 min
t = 8 x 60
t = 480 s
The mass of the rocket, m = 8.0 x 10⁶ kg
The net force is calculated as shown below
[tex]\begin{gathered} F=\frac{m(v-u)}{t} \\ \\ F=\frac{(8.0\times10^6)((9.6\times10^3)-0)}{4.8\times10^2} \\ \\ F=\frac{8\times9.6\times10^9}{4.8\times10^2} \\ \\ F=16\times10^7 \\ \\ F=1.6\times10^8N \end{gathered}[/tex]
The net force acting on the rocket = 1.6 x 10⁸ N
