A speed of $1 k m / h r$ is equal to ________.

$1000 m / s$

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$\frac{5}{18} m / s$

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$3600 m / s$

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$\frac{18}{5} m / s$

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Solution

The correct option is B
$\frac{5}{18} m / s$

Step 1: Given data
Speed $= 1 k m / h r$
Step 2: To convert it into $m / s$
$1 k m = 1000 m$
$1 h r = 60 m i n u t e s = (60 \times 60) s$
$1 h r = 3600 s$
So,
$1 k m / h r = \frac{1000}{3600} m / s$
$1 k m / h r = \frac{5}{18} m / s$
Hence, option B is correct.

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A speed of 1km/hr is equal to ________.

The correct option is B 518m/sStep 1: Given dataSpeed =1km/hrStep 2: To convert it into m/s1km=1000m1hr=60minutes=60×60s1hr=3600sSo, 1km/hr=10003600m/s1km/hr=518m/sHence, option B is correct.

A speed of $1 k m / h r$ is equal to ________.