Ch 2: Motion in One Dimension

Question 1

The most important concept to understand when approaching free fall problems is that even if the object is moving up, its acceleration….

Answer 1

….always points downward, no matter what direction the object is moving.

p. 56

Question 2

The position-vs-time graph for a rocket’s vertical motion is a ________, a shape that implies motion at a constant acceleration.

Answer 2

parabola

p. 48

Question 3

What is the velocity equation for an object with constant acceleration?

Answer 3

(v_x)_f = (v_x)_i + a_xΔt