A chemical reaction or physical change is exothermic
Fact, no one showed up until ten minutes past the posted
Speed is the rate at which an object changes position. For example, if a car is going 45mph, that means it changes 45 miles in 1 hours.
Velocity is speed with a direction. An examples would be if a car starts at 0 and goes west 45 mph, the cars velocity is +45 mph west.
Velocity is distance divided by time
neonazis are the source of evil, and chicken nuggets