Question

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

Explanation:

Step1: Recall speed formula

The formula for average - speed is $v=\frac{d}{t}$, where $v$ is average speed, $d$ is distance, and $t$ is time.

Step2: Identify given values

The distance $d = 100$ meters and the time $t=10$ seconds.

Step3: Calculate average speed

Substitute the values into the formula: $v=\frac{100}{10}=10$ m/s.

Answer:

10 m/s