Which is the wavelength of a wave that travels at a speed of 3.0 × 108 m/s and has a frequency of 1.5 × 1016 Hz? a.) 2.0 × 10-8 m

b.) 5.0 × 107 m

c.) 2.0 × 108 m

d.)6.0 × 1024 m

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.