Question

a runner races in the 100 meter dash. it takes her 10 seconds to finish. what is her average speed? 100 seconds 10 m/s 1000 m/s 10 seconds

Explanation:

Step1: Recall speed formula

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

Step2: Identify values

Distance = 100 m, Time = 10 s

Step3: Calculate speed

Speed = $\frac{100}{10}=10$ m/s

Answer:

B. 10 m/s