What was the average speed in km/h of a car that travels 400.0 km in 4.5 h?
science - SraJMcGin, Sunday, January 16, 2011 at 1:53pm
See if you can find help among the following links:
science - Anonymous, Wednesday, September 17, 2014 at 9:51pm
science - lobnhh, Thursday, April 23, 2015 at 10:11am