1. A physics student reads a problem and is able to write three independent equations that relate the known variables and four unknown variables. Is it possible for him to find a unique solution to the
problem?
A. yes
B. no

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.