Question

A person walks 6.0 miles in 2.5 hours. Calculate the average velocity of the person.

Please show the work and the answer ty.

Answer 1

`1.1 \: \mathrm{m/s}`

Step-by-step explanation:

The formula for average velocity is
`(\Delta x)/(\Delta t)`, where
`\Delta x` = total displacement and
`\Delta t` = time.

Because velocity is usually given in meters per second, convert 6.0 miles to meters and 2.5 hours to seconds:

6.0 miles =
`9656.09\: \mathrm{meters}`

2.5 hours =
`9000 \: \mathrm{seconds}`

Therefore the average velocity of the person is
`(9656.09)/(9000) \approx 1.07 = \fbox{$1.1\: \mathrm{m/s}$}` (two significant figures).