Which would best be explained using newton’s third law of motion

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?