Chapter 11.4, Problem 42PPS

To determine

To convert $32.4$ meters per second to miles per hour

Answer to Problem 42PPS

  $32.4$ meters per second is $72.6$ miles per hour

Explanation of Solution

Given:

  $32.4$ meters per second

Formula Used:

  $1$ meter $=$ $0.000621$ mile

  $1$ sec $=$ $0.000277$ hour

Calculation:

Given: $32.4$ meters per second

Using the above formula, we have:

  $32.4$ meters per second $=$ $32.4\times \frac{0.000621}{0.000277}$ miles per hour

Solving further, we have:

  $32.4$ meters per second $=$ $72.63$ miles per hour

Converting to the nearest tenth:

  $32.4$ meters per second $=$ $72.6$ miles per hour

Conclusion:

Hence, $32.4$ meters per second is $72.6$ miles per hour