alleryA geostationary satellite orbits Earth at radius r_g. Another satellite orbits at radius r_g/4. Its period is approximately:
A6 hours
B3 hours
C12 hours
D24 hours
Answer & Solution
Correct answer: B. 3 hours
T² ∝ r³.
T_new/T_g = (1/4)^(3/2) = 1/8. So T_new = 24/8 = 3 hours.
Keep practising Unit 1C: Kinematics: Relative & Circular Motion
Browse all Unit 1C: Kinematics: Relative & Circular Motion questions for AP Physics 1, or explore more Physics topics.
Related questions
A solid sphere of mass M, radius R rolls without slipping down an incline of angle theta. For a hoop, disc, and solid sphere of same mass and radius rolling down an incline. Order A figure skater pulls in her arms during a spin. Her moment of inertia decreases. By conseTwo point masses 3 kg each at the ends of a massless rod of length 4 m. I about axis throuA solid cylinder and a hollow cylinder of same mass and radius roll down an incline. WhichFor a body rolling without slipping with velocity v of center of mass:Kinetic energy of a rotating body with moment of inertia I and angular velocity omega:For a thin rod of mass M and length L, I about axis through center perpendicular to rod: