Question

more experimental design practice
two different cars are traveling at 60 mph. at a certain point, both cars slam on the brakes. the distance it takes for each car to stop is then measured.
the independent variable is
the dependent variable is

Explanation:

The independent variable is the factor manipulated in an experiment. Here, the type of car is varied. The dependent variable depends on the independent variable; stopping distance is measured based on the car type.

Answer:

The independent variable is: type of car
The dependent variable is: stopping distance