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A satellite, mass of satellite=5850 kg, is in circular orbitof 4.1x10^5m above the surface of a planet, which has a radius of4.15x10^6m. The period for the orbit is 2 hours.
A) calculate the tangential velocity of the satellite.
B) find the mass of the planet.
C) how much would the satellite weigh on the surface of the planet?
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 22 m/s at an angle 63 degrees, What is the distance between the two girls
A disc is rotating about its center. A mosquito sits on the disc at a distance of 20 cm from the center and has a linear speed tangential to the circular motion of 32 cm/s. What is the speed of rotation of the disc
A 72 cm long, 1.0 mm diameter steel guitar string must be tightened to a tension of 1800 N by turning the tuning screws. By how much is the string stretched
An n-type semiconductor has a donor concentration of 1*10^13 cm^-3. If the equilibrium electron concentration is 1.2*10^13 cm^-3
A skier starts down a 35? slope. After a vertical drop of 31m , the slope temporarily levels out and then drops at 18? an additional 39m vertically before leveling out again. What is the skier's speed on the lower level stretch
Two large, parallel, metal plates carry opposite charges. They areseparated by 0.1 m and the potential difference between them is500. V. What is the magnitude of the electric field, if it is uniform inthe region between the plates?
A 25C capacitor is charged to a potential of 18V. (a) How much charge is stored on the capacitor? (b) The potential is then changed so that the charge becomes 5.9x10-4C. What is the change in potential?
You have a string with a mass of 0.0129 kg. You stretch the string with a force of 9.67 N, giving it a length of 1.95 m. What is the wavelength of the standing wave you create in the string
Two forces are applied to a 5.0 kg crate; one is 6.0 N to the north, compute The magnitude of the acceleration of the crate
A glass lens with radii R1=+3.0cm and R2=+3.0cm has an index of 1.60 and a thickness of 3.0cm. Calculate the primary and secondary principle points
A capacitor has parallel plates of area 12 cm2 separated by 4.5mm . The space between the plates is filled with polystyrene, Find the induced surface-charge density on the surface of the dielectric
Two very small spheres are initially neutral and separated by a distance of 0.55 m. find Is the force attractive or repulsive
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