A satellite while revolving around earth completes one revolution in 1 hour and 30 minutes. angular

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7. MOTION

easy

A satellite while revolving around the earth completes one revolution in $1$ hour and $30$ minutes. What is the angular speed of the satellite ?

Option A

Option B

Option C

Option D

Solution

$t=1\, h \,30$ min $=90 m =90 \times 60=5400 s ;$ angle

covered in one revolution $=2 \pi$ radian, $\omega=?$

Applying $\omega=\frac{\theta}{t} ; \omega=\frac{2 \pi}{5400}=\frac{\pi}{2700} rads ^{-1}$

Standard 9

Science

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