A student moves at a steady speed. He needs $100\ \text{s}$ to complete $160$ paces. Each pace measures $0.80\ \text{m}$. What distance does the student cover in $50\ \text{s}$?
- A$64\ \text{m}$
- B$80\ \text{m}$
- C$128\ \text{m}$
- D$256\ \text{m}$
Physics 5054 · O Level · Motion