Question

q.5. what is the speed of a plane that travels 400 meters in 10 seconds? a) 30 m/s b) 40 m/s c) 400 m/s d) 4000 m/s

Explanation:

Step1: Recall speed formula

Speed = $\frac{Distance}{Time}$

Step2: Substitute values

Speed = $\frac{400}{10}$ = 40 m/s

Answer:

b) 40 m/s