diff --git a/education/physics/PHYS2210/Unit 1.md b/education/physics/PHYS2210/Unit 1.md index 30ab238..d9a97bc 100644 --- a/education/physics/PHYS2210/Unit 1.md +++ b/education/physics/PHYS2210/Unit 1.md @@ -42,3 +42,13 @@ Kinematics problems have a *start* and an *end* of the motion. ## Examples > Sally aggressively drives her Alfa Romeo from rest to 50 m/s in 6s. What is her acceleration? +1. Start: + - $v_0 = 0 m/s$ + - $t_0 = 0s$ + - $x_0 = 0m$ +2. Final: + - $v = 50 m/s$ + - $t = 6s$ + - $x = ?$ +3. Using the equation $v = v_0 + at \to a = \frac{(v - v_0)}{t}$, $a$ = $(50 m/s - 0 m/s)/ 6s = 8.3m/s^2$ +4. Assess: do the units make sense? Is the answer reasonable?