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Your friend observes an artificial satellite orbiting the earth. He estimates it is at an altitude h = 938 km above the earth's surface and has a mass m = 3500 kg. He wishes to show it off to his other friends. He asks you to help him calculate when the satellite will be back in the same position. From the second law of motion and the gravitational force law, calculate the following:
(a) What is the satellite's velocity? (m/s)
(b) What is the period (s) of the satellite's motion?
Solar cells generate a potential difference when exposed to sunlight. In an experiment, you wish to charge a rechargeable battery by connecting it in series to an array of solar cells. What is the area of the array of solar cells
An electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 2.02 mT. obtain the radius of the circular path
A water dispenser for pets has an invented plastic bottle ( the water is dyed blue for contrast).When a certain amount of water is drunk from the bowl, Explain the operation of the dispenser
Ligh of wavelength 610 nm is incident on a slit 0.20 mm wide, what is the width of the central maximum
A massless cylinder 49 cm long rests on a horizontal frictionless table. The cylinder is divided into two equal sections by a membrane, How far will the cylinder move if the membrane is removed
What is the rms current in a series RC circuit if R = 7.0 k, C = 0.80 µF, and the rms applied voltage is 100 V at 60 Hz and What is the phase angle between voltage and current
An air parcel with mass = 150 kg is traveling at 15 meters per second due east at 38 degrees North at an altitude of 5500 meters. What is the total force exerted on the air parcel
Establish angles subtended by the moon and the sun
how far did the last car travel before momentarily coming to a rest. A 3 kg block accelerates at a rate twice that of a 6 kg block. Is the net force acting on the 3kg block twice as large as that acting on 6kg block.
A playground merry-go-round (uniform disk with mass M=150kg and radius R=2m) rotates on a frictionless axle through its center. What is the kinetic energy of the child-merry-go-round-system
Examine that, for gold, the volume of water displaced will be 51.8 cubic centimeters.
An electric dipole consisting of charges of magnitude 1.90 nC separated by 7.00 µm is in an electric field of strength 1190 N/C, find the difference between the potential energies for dipole orientations parallel
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