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Chapter 2 Motion In One Dimension | Exercise 2A

Question 30

18km h^{-1} is equal to:

(a) 10ms^{-1}

(b) 5 ms^{-1}

(c) 18 ms^{-1}

(d) 1.8 ms^{-1 }

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(b) 5 ms^{-1}

Converting \frac{18 \times 1000 \mathrm{m}}{60 \times 60}=5 \mathrm{ms}^{-1}

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