2. If a particle moves with a constant speed, the distance-time graph is a) Straight line b) circle
c) curved
d) none of these

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 "if…then…because…” when writing your hypothesis.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Most short-period comets do not have randomly oriented orbits because