Question

A giraffe can run 32 miles per hour. What is this speed in feet per second? Round your answer to the nearest tent.

Answer 1

ANSWER: 46.9 feet per second

32 miles per hour
5280 feet in 1 mile
32 x 5280 = 168,960 feet per hour
3600 seconds per hour

168,960 divided by 3600 = 46.9333 (continuous)
rounded to the nearest tenth is 46.9 feet per second.

Answer 2

Speed is the rate of change of distance over time.

The speed in feet per seconds is 46.9

The speed of the giraffe is given as:

$\mathbf{Speed = 32 miles/hour}$

Start by converting miles to feet

To do this, we multiply 32 by 5280.

So, we have:

$\mathbf{Speed = 32 \times 5280feet/hour}$

$\mathbf{Speed = 168960feet/hour}$

Next, convert hour to seconds

To do this, we divide by 36000.

So, we have:

$\mathbf{Speed = \frac{168960}{3600} feet/seconds}$

$\mathbf{Speed = 46.9 feet/seconds}$

Hence, the speed in feet per seconds is 46.9

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