Question

A runner travels 400m in 50s.what is her average speed?

Answer 1

Answer:

avg. speed =. 400/50 = 8 m/s

Answer 2

Answer:

Average Speed= 8m/s

Explanation:

Distance= 400m

Time= 50s

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

                         = $\frac{400}{50}$

                         = 8

∴ Her average speed is 8 metres per second.

-----------------------------------------------------------------------------------------------------------------

[I hope this is right]