Question

1.The take off speed of an airplane is 270KM/hr what is it's speed in m/s.

Answer 1

Answer:

The answer is 75 MTR. per second

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Answer 2

$\huge \boxed { \sf \green{75mps}}$

Explanation:

We know that,

1 km = 1000 m

1 hour = 3600 s

270 km/hr

$= > \frac{270km}{hr} \\ \\ = > \frac{270 \times 10 \cancel{00}m}{1 \times 36 \cancel{00}s} \\ \\ = > \frac{ { \cancel{2700} \: }^{ \cancel{900 {}}^{ \cancel{300} {}^{75} } } \: m}{ \cancel{36}_{ \cancel{12}_{ \cancel{4}}} \: s} = \\ \\ = > 75mps$

Hence 200 km/h = 75 m/s

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Note :-

Easiest way to change,

km/h to m/s - multiply it by 5/18 (1000/3600)

m/s to km/h - multiply is by 18/5 (3600/1000)

hope it helps.