Constant acceleration
Objective. Apply the suvat equations to motion in a straight line.
- 1. Learn
- 2. Worked example
- 3. Practice
- 4. Feedback
- 5. Continue
Learn: the key idea
List s, u, v, a and t, mark what you know, then choose the equation that omits the one quantity you neither know nor want.
Worked example
A car accelerates from 5 m/s at 2 m/s² for 4 s. Find the distance.
- 1s = ut + ½at².
- 2s = 5(4) + ½(2)(16).
Answer: 36 m
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