A 45 kg object has a momentum of 225 kg-m/s northward. What is the object's velocity? A. 180 m/s
B. 5.0 m/s
C. 10,125 m/s
D. 0.20 m/s

During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.