two or more velocities can be combined by

Did you know that when two cars are driving toward each other, their speeds can really add up? For example, if one car is going 30 miles per hour and the other is cruising at 40 miles per hour, together, they’re closing in at a speedy 70 miles per hour! It’s like a fun race, but instead of just one car zooming past, you have both cars moving and getting closer much faster. The … [Read more...] about two or more velocities can be combined by