As you watch a surfer ride a wave toward the shoreline, what is the shoreline.

a. reference point
b.distance being travled c.delta
d.displacement refrence

I believe it is A

Yes, A.

I think the answer c please tell me if i'm wrong

wait i mean a

Which is it? A or C?

I think it a

thank can you help with this one I think it C

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

the vibration of the jackhammer broke through the south-facing rock in
under 10 seconds.

the hockey player sent the puck flying toward the north goal to score the winning point.

the tiger had to run at 50 kilometers for hour across the field to catch the zebra.

the hiker followed the north trail a distance of two kilometers in thirty minutes.

I didn't mean to sound rude.

No.

Which one shows both speed and direction?