A stone is dropped from rest from the top of a tall building on Earth. Air resistance can be ignored. What is its velocity after it has fallen $5\text{ m}$?
- A$7.1\text{ m s}^{-1}$
- B$10\text{ m s}^{-1}$
- C$50\text{ m s}^{-1}$
- D$100\text{ m s}^{-1}$
Physics 0625 · IGCSE · Motion