The driver of a car is driving the car very fast.
the car hits a crash barrier and stops very quickly.
describe why the driver is injured.

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis