Mechanics → Appendix: Problem-Solving Techniques in Mechanics → Worked Example
Worked Example
Problem:
A body falls from height $20 \, \text{m}$. Find velocity.
Solution
Use:
$$ v^2 = 2gh $$
$$ v = \sqrt{2 \times 9.8 \times 20} $$
Problem:
A body falls from height $20 \, \text{m}$. Find velocity.
Use:
$$ v^2 = 2gh $$
$$ v = \sqrt{2 \times 9.8 \times 20} $$