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soldi70 [24.7K]
4 years ago
13

Use dimensional analysis to change 4 miles per hour to feet per second. Please explain!

Mathematics
1 answer:
kodGreya [7K]4 years ago
8 0

Answer:  5.87 feet per second

<u>Step-by-step explanation:</u>

Use the following conversions:

5280 feet = 1 mile, 1 hour = 60 minutes, 1 minute = 60 seconds

\dfrac{4\ miles}{1\ hour}\times \dfrac{5280\ feet}{1\ mile}\times \dfrac{1\ hour}{60\ minutes}\times \dfrac{1\ minute}{60\ seconds}\quad =\dfrac{21,120\ feet}{3600\ seconds}\\\\\\.\qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad =\dfrac{5.87\ feet}{1\ second}

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