A rocket ship (500 kg) is firing two jets at once. The two ... ...

  A rocket ship (500 kg) is firing two jets at once. The two jets are at right angles, with one firing to yield a force of 5000 N and the other to yield a force of 12000 N. What is the magnitude of the acceleration of the rocket ship?
(A) 24 m/s2
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 03. Laws of Motion