Which of the Following Products of Ratios Gives the Conversion $\left( \frac { \mathrm { mi } } { \mathrm { h } } \right)$

question 44

Multiple Choice

Which of the following products of ratios gives the conversion factor to convert miles per hour $\left( \frac { \mathrm { mi } } { \mathrm { h } } \right)$ to meters per second $\left( \frac { \mathrm { m } } { \mathrm { s } } \right)$ ?

• A) \(\frac { 5280 \mathrm { f } } { \mathrm { mi } } \cdot \frac { 12 \mathrm { in } } { \mathrm { f } } \cdot \frac { 1 \mathrm { in } } { 2.54 \mathrm {~cm} } \cdot \frac { 1 \mathrm {~m} } { 100 \mathrm {~cm} } \cdot \frac { 1 \mathrm {~h} } { 3600 \mathrm {~s} }\)
• B) \(\frac { 5280 \mathrm { f } } { \mathrm { mi } } \cdot \frac { 12 \mathrm { in } } { \mathrm { f } } \cdot \frac { 2.54 \mathrm {~cm} } { 1 \mathrm { in } } \cdot \frac { 100 \mathrm {~cm} } { 1 \mathrm {~m} } \cdot \frac { 1 \mathrm {~h} } { 3600 \mathrm {~s} }\)
• C) \[\frac { 1 \mathrm { mi } } { 5280 \mathrm { f } } \cdot \frac { 1 \mathrm { f } } { 12 \mathrm { in } } \cdot \frac { 1 \mathrm { in } } { 2.54 \mathrm {~cm} } \cdot \frac { 100 \mathrm {~cm} } { 1 \mathrm {~m} } \cdot \frac { 3600 \mathrm {~s} } { 1 \mathrm {~h} }\]
• D) \[\frac { 5280 \mathrm { f } } { \mathrm { mi } } \cdot \frac { 12 \mathrm { in } } { \mathrm { f } } \cdot \frac { 2.54 \mathrm {~cm} } { 1 \mathrm { in } } \cdot \frac { 1 \mathrm {~m} } { 100 \mathrm {~cm} } \cdot \frac { 1 \mathrm {~h} } { 3600 \mathrm {~s} }\]
• E) \(\frac { 5280 \mathrm { f } } { \mathrm { mi } } \cdot \frac { 12 \mathrm { in } } { \mathrm { f } } \cdot \frac { 2.54 \mathrm {~cm} } { 1 \mathrm { in } } \cdot \frac { 1 \mathrm {~m} } { 100 \mathrm {~cm} } \cdot \frac { 3600 \mathrm {~s} } { 1 \mathrm {~h} }\)

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