Hi I'm in an honors physics class. I don't really understand the difference between average speed and instantaneous speed. Say I'm given in data table with time (s) and distance (m). How can I find each of these? Is there a formula?(adsbygoogle = window.adsbygoogle || []).push({});

Also, what is the relationship of velocity with acceleration? My teacher said constant velocity means no acceleration? I'm not sure that makes sense?!

One more thing: What is the difference between displacement vectors and resultant vectors? I seem to be stuck. I know for one you just add the magnitudes but for the other it's pythagorean.

Any help would be great!

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Difference between average speed, instantaneous speed, velocity, acceleration? help!

**Physics Forums | Science Articles, Homework Help, Discussion**