Question

1 Scientific Notation and Units

•Know how to identify the correct number of significant figures in a number .•Know how to work with powers of 10.

•Know the main metric units for mass, distance, force, etc.

•Know how to convert between scales for a unit, eg how many centimeters in akilometer.

2 Motion

2.1 Equations•v=∆x∆t•a=∆v∆t

2.2 Skills

•Understand the relationship between acceleration and velocity, and what kind ofmotion occurs when they are same/opposite.

•Know that average velocity is used when the velocity is not constant

.•Find the distance something travels given a constant acceleration and initial/finalvelocities.

•Find the time something takes to travel a certain distance, given constant acceler-ation and initial/final velocities

•Know key elements of free-fall: g is constant and negative.

Answer 1