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Finding Average Velocity

Which option ...

Question

Which option is equal to $18 k m h^{- 1}$ ?

10 m s^{- 1}

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5 m s^{- 1}

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18 m s^{- 1}

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1.8 m s^{- 1}

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Solution

The correct option is A $5 m s^{- 1}$
$1 k m / h = \frac{1000 m}{60 \times 60 s}$
$18 k m / h = \frac{18 \times 1000 m}{60 \times 60 s} = 5 m / s$

Suggest Corrections

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