1.Three astronauts, propelled by jet backpacks, push and guide a 85 kg asteroid toward a processing dock, exerting the forces shown in Fig. 5-31.
http://img82.imageshack.us/img82/6572/0539aw6.gif
(a) What is the asteroid's acceleration in unit-vector notation?
__m/s2 i + __m/s2 j
(b) What is...