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Two satellites of the same mass are in circular orbits of differentradii above the Earth's equator. Satellite A is in a geosynchronousorbit, that is, the period of its orbit is 24 hours. Satellite B isin an orbit with one-quarter the orbital radius of that ofsatellite A.
What is the ratio aB/aA of the centripetal accelerations of thesatellites?
What is the ratio vB/vA of the satellites' speeds?
How long does it take satellite B to complete one revolution?
what is the ratio of the satellites angular momenta?
what is the ratio of the satellites' mechanical energies?
A car with a total mass of 1.92*10^3 kg has wheels of radius 31.0 cm and moment of inertia 0.830 kg · m2. What is the car's translational kinetic and rotational energy
Every 2 seconds, identical wave pulses are being sent along the string. At t = 3 seconds, you took a snapshot of the string and found the wavelength to be 10m. What's the velocity of the pulse?
Estimate the size of the friction force on a baseball player sliding into second base. Assume a mass of 84 and uk = 0.42
a tungsten target is struck by electrons that have been accelerated from rest through a 29.9-kv potential difference.
A box of mass 3 kg sits on a table. Neglect friction. You pull on a string tied to the right side of the box, exerting a force of 20.0 N at an angle of 30.0 degrees above the horizontal. Calculate the coefficient of friction with the surface
The maximum speed of a 3.2-kg mass attached to a springis 0.65 m/s, and the maximum force exerted on the mass is11 N. What is the amplitude of motion for this mass
The secondary coil of a step-up transformer provides the voltage that operates an electrostatic air filter. Find the power consumed by the air filter
Determine the magnitude of door's angular acceleration.
a rod is pulled along a rail by a constant external force. the length of the rod bt the rails is 38cm. the magnetic
Suppose a 5.40 m diameter telescope were constructed on the Moon, what minimum separation between two objects
a short bar magnet placed with its axis at 30ordm with a uniform external magnetic field of 0.25 t experiences a torque
When light of wavelength 360 nm falls on a lithium surface, electrons having a maximum kinetic energy of 1.15 eV are emitted. determine the work function of lithium
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