A spaceship of 3.20 x 10*7kg travels around another planet, of 6.34 x 10^25 kg. How long will it take the spaceship to complete
one full orbit if the distance between them is 12,500 km?
a 4,268 seconds
b 2,130 seconds
C 3,250 seconds
d 7,320 seconds
e 5,239 seconds

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.