10 m s -1 is equal to 36 km hr -1 -A- FalseB- True

The correct option is B True Using: 1 km = 1000 m ⇒ 1 m = 11000 km nbsp; and 1 hr = 60× 60 s ⇒ 1 s = 160× 60 hr, 10 m s^ 1 nbsp;= 10 metres1 second nb ...

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Byju's Answer

Standard IX

Physics

Physical Quantities and Measurement

10 m s -1 is ...

Question

$10 m s^{- 1}$ is equal to $36 k m h r^{- 1}$ .

True

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False

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Solution

The correct option is A
True

Using: $1 k m = 1000 m \Rightarrow 1 m = \frac{1}{1000} k m$ and

$1 h r = 60 \times 60 s \Rightarrow 1 s = \frac{1}{60 \times 60} h r$ ,

$10 m s^{- 1} = \frac{10 m e t r e s}{1 s e c o n d} = \frac{\frac{10}{1000}}{\frac{1}{60 \times 60}} k m {hr}^{- 1}$
= $36 k m h r^{- 1}$
Hence, the given statement is true.

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Similar questions

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10 m s−1 is equal to 36 km hr−1.

The correct option is A True Using: 1 km=1000 m⇒1 m=11000 km and 1 hr=60×60 s⇒1 s=160×60 hr, 10 m s−1=10 metres1 second=101000160×60kmhr−1 = 36 km hr−1 Hence, the given statement is true.

$10 m s^{- 1}$ is equal to $36 k m h r^{- 1}$ .