The terms and
when giving opposite directions from a reference point.
can be useful
The process of changing positions is
is the length of a path taken, whereas
is the difference between starting and ending locations.

Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603

If anyone who can me with this hw? i would really appreciate it

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.