Two cars are moving in the same direction at the same speed of (72.0 kmh). What is the relative speed between the two cars?

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

Apossible explanation for a set of facts that can be tested by further investigation is called

It can take some of those large , industrial vehicles up to feet to stop when traveling only 60 mph, and therefore , you shoukd be mindful to not be jn the traffic right in front of them a. 100 feet b. 200 feet c. 335 feet d. 425 feet