Which example provides a complete scientific description of an object in motion?

a:The tiger had to run at 50 kilometers per hour across the field to catch the zebra.
b:The vibration of the jackhammer broke through the south-facing rock in under 10 seconds.
c:The hockey player sent the puck flying toward the north goal to score the winning point.
d:The hiker followed the north trail a distance of two kilometers in thirty minutes.

d. Has distance , direction , and time.

what grade lesson and unit is this

uh c

The example that provides a complete scientific description of an object in motion is option "d": The hiker followed the north trail a distance of two kilometers in thirty minutes.

To determine that this example provides a complete scientific description of an object in motion, we need to evaluate if it fulfills several scientific criteria.

Firstly, it mentions a specific object, which in this case is the hiker. Next, it describes the motion of the object, stating that the hiker followed the north trail. It also provides a measurement of the distance covered by the object, which is two kilometers. Lastly, it includes the time taken for the motion to occur, which is thirty minutes.

By including the object, direction, distance, and time, this example includes all the essential elements required for a complete scientific description of an object in motion.