The angular velocity of earth about its axis of rotation is -

2 π / (60 \times 60 \times 24) r a d / s e c

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2 π / (60 \times 60) r a d / s e c

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2 π / 60 \times r a d / s e c

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2 π / (365 \times 24 \times 60 \times 60) r a d / s e c

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Solution

The correct option is A $2 π / (60 \times 60 \times 24) r a d / s e c$
The angular velocity is given as,

$ω = \frac{Δ θ}{Δ t}$

$ω = \frac{2 π}{1 d a y}$

$ω = \frac{2 π}{24 \times 60 \times 60} r a d / s e c$

Thus, the angular velocity of earth about its axis of rotation is $\frac{2 π}{24 \times 60 \times 60} r a d / s e c$ .

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