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Key Equations

Key Equations

2.1 Relative Motion, Distance, and Displacement

Displacement Δ d= d f − d 0 Δ d= d f − d 0

2.2 Speed and Velocity

Average speed v avg = distance time v avg = distance time
Average velocity v avg = Δd Δt = d f − d 0 t f − t 0 v avg = Δd Δt = d f − d 0 t f − t 0

2.3 Position vs. Time Graphs

Displacement d= d 0 +vt d= d 0 +vt .

2.4 Velocity vs. Time Graphs

Velocity v= v 0 +at v= v 0 +at
Acceleration a= Δv Δt a= Δv Δt