Chapter 11.4, Problem 40PPS

To determine

To convert $29.5$ meters per second to kilometres per hour

Answer to Problem 40PPS

  $29.5$ meters per second is $106.5$ kilometres per hour

Explanation of Solution

Given:

  $29.5$ meters per second

Formula Used:

  $1$ meter $=$ $0.001$ kilometre

  $1$ sec $=$ $0.000277$ hour

Calculation:

Given: $29.5$ meters per second

Using the above formula, we have:

  $29.5$ meters per second $=$ $29.5\times \frac{0.001}{0.000277}$ kilometre per hour

Solving further, we have:

  $29.5$ meters per second $=$ $106.49$ kilometre per hour

Converting to the nearest tenth:

  $29.5$ meters per second $=$ $106.5$ kilometre per hour

Conclusion:

Hence, $29.5$ meters per second is $106.5$ kilometre per hour