Question

What is the velocity in meters per second of a runner who runs exactly 110 m toward the beach in 72 seconds.

Answer 1

1.53 m/s towards the beach

Answer 2

1.53 m/s toward the beach

Step-by-step explanation:

The magnitude of the velocity of the runner is given by:

`v=(d)/(t)`

where

d is the displacement of the runner

t is the time taken

In this case, d=110 m and t=72 s, so the velocity of the runner is

`v=(110 m)/(72 s)=1.53 m/s`

Velocity is a vector, so it consists of both magnitude and direction: we already calculate the magnitude, while the direction is given by the problem, toward the beach.