36 k m h − 1 = ____ m s − 1 . Options: A . &nbsp20 B . &nbsp10 C . &nbsp30 D . &nbsp15

Answer: Option B : B 36 k m h − 1 = 36 k m 1 h = 36 × 1000 m 1 × 60 × 60 s [ 1 k m = 1000 m and 1 h = 60 × 60 s ] ∴ 36 k m h − 1 = 36000 3600 m s − 1 = 10 m s − 1 .

36 km h−1 = ___

Question

36 k m h^{- 1}

= ____

m s^{- 1}

Options:

A . 20

B . 10

C . 30

D . 15

Answer: Option B
:
B

36 k m h^{- 1}

= \frac{36 k m}{1 h}

= \frac{36 \times 1000 m}{1 \times 60 \times 60 s}

[

1 k m = 1000 m and 1 h = 60 \times 60 s

]

∴

36 k m h^{- 1}

= \frac{36000}{3600} m s^{- 1}

= 10 m s^{- 1}

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