Question

By observing the adjoining distance versus time graph, find:

Speed between 2 to 4 seconds

• A. 10 m/s
• B. 20 m/s
• C. 5 m/s
• D. 0.0

Answer 1

The correct option is B 20 m/s

Speed is distance covered in unit time.
Between 2 to 4 seconds position is changed from 40m to 80m.
Speed = $\frac{Distance}{Time}$​​​ = $\frac{40}{2}$ = 20 m/s​​​​.