Answer:
D. Because they are using space technology on a shirt so people can wear it on earth as well
15.49 should be the answer if that is 12 watt battery.
To answer this question, you need to know the definition of Relative Motion:
The motion is relative when it depends on a reference point or referencial system. If you know the reference point, you can determine the velocity of an object.
If you are sitting on your chair, you are not moving relative to it (Your speed is 0 km/s); but as you know, our planet moves around the Sun (Traslation Movement) with a speed of 30.0 km/s. Therefore, you are moving 30.0 km/s relative to the sun.
C.an equal and opposite reaction
It is C) because that truck has more mass
