b) The same train ordinarily decelerates at a rate of 1.74 m/s2. How long (in s) does it take to come to a stop from its top speed of 80.0 km/h

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